All animals are
a. polytrophs
b. heterotrophs
c. autotrophs
d. biotrophs

Answers

Answer 1

All animals are heterotrophs

This means that all animals cannot produce their own food by themselves but depend on other organisms for food.

What is heterotrophic nutrition?

Heterotrophic nutrition is a special type of nutrition in which animal depends on other organisms for food substances.

Animals which feed or depend on other organisms for food are known as heterotrophs.

So therefore, all animals are considered heterotrophs

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Related Questions

Use the image below: what process is happening in this model ?

Answers

Cell differentiation: when a stem cell changes to a specialized one.

Why would it be easier for a doctor to tell that someone has a viral infection when the virus is in the
lytic cycle?

Answers

Answer: doctor may be able to determine the cause by listening to your medical history and doing a physical exam. If necessary, they also can order a blood or urine test to help confirm a diagnosis, or a "culture test" of tissue to identify bacteria or viruses.

Explanation:

Traditionally, zoologists have placed birds in their own class, Aves. More recently, molecular evidence has shown that birds are more closely related to reptiles than their anatomy reveals. Genetically, birds are more closely related to crocodiles than crocodiles are to turtles. Thus, bird anatomy has become highly modified as they have adapted to flight, without their genes having undergone nearly as much change. Taxonomically, what should be done with the birds?

A: The rest of the reptiles should be reclassified as a subclass within the class Aves.
B: Birds should be reclassified, and their new taxon should be the subclass Aves. Genetic similarity trumps morphological dissimilarity in cases where morphological traits are uninformative.
C:The classification scheme should remain the same because of historical precedence.
D: The traditional stance is correct. Such dramatic morphological change as undergone by birds indicates that birds should be placed in their own order, separate from the reptiles.

Answers

Th correct answer would be D! Hope this helps

Summarize the four major types of biochemical reactions studied in this course. For each type give the name, a word summary of what happens during the reaction, and an example of where the reaction might be biologically important.

Answers

Oxidation-Reduction (Redox):

When electrons are moved from one element to another, the process is known as a redox (or oxidation-reduction) reaction. In most cases, one element loses electrons while another gains them. It is said that the factor influencing elections has decreased. Oxidation occurs to an element that loses electrons. Although it can seem counterintuitive, adding electrons is really a lowering of the element's oxidation state, or charge. For instance, when an oxygen atom is oxidized, its charge changes from -2 to 0 (neutral). As electrons are taken away, the charge would alter. For a decrease, the reverse occurs. Biological Importance of Alcohol Oxidation to Aldehydes or Ketones. An essential stage in the breakdown of lipids during human metabolism is the conversion of alcohol groups to carbonyl groups (e.g. L- malate to oxaloacetate). The citric acid cycle also includes these oxidations. The liver converts ethanol to acetaldehyde, which is next converted to acetic acid, a natural component of cells, and finally to carbon dioxide and water. However, ethanol may be hazardous to people. Most individuals would die after ingesting 1 pt (or 500 mL) of pure ethanol quickly, and acute ethanol poisoning claims the lives of several hundred people annually, frequently those participating in drinking competitions. Alcohol easily enters the brain, where it suppresses the respiratory control center, impairing the breathing muscles in the lungs and ultimately leading to asphyxia. According to theory, ethanol damages nerve cell membranes, impairing speech, thinking, cognition, and judgment. Isopropyl alcohol is often dissolved in water at a 70% concentration for rubbing alcohol. It quickly evaporates off the skin and has a high vapor pressure, which provides a cooling effect. Although it is hazardous when consumed, methanol is more easily absorbed via the skin.

Hydrolysis:

In a chemical reaction known as hydrolysis, which is the reverse of condensation, water breaks down another substance and modifies its chemical structure. While inorganic hydrolysis connects water with ionic molecules like acids, salts, and bases, most occurrences of organic hydrolysis combine water with neutral molecules. The interaction of water with an ester of a carboxylic acid may serve as an illustration of the hydrolysis of organic molecules. When esters and the majority of other organic compounds are hydrolyzed, a third substance—typically an acid or a base—increases the rate at which the chemical transformation occurs. One instance of hydrolysis is food digesting. The substances you've consumed are broken down by the water. This makes it possible for the bigger compounds to be broken down into smaller ones so they may be absorbed more readily.


Condensation:

A condensation reaction is a type of organic addition reaction that produces both a water molecule and the addition product, often in equilibrium. Otherwise, acetic acid, ethanol, or ammonia may be produced by the process. An example of condensation reaction would be Morning Dew on the Grass. The air close to the ground cools to or below the dew point overnight. As a result, the atmosphere's water vapor becomes saturated and begins to condense, forming dew on the grass.

Neutralization:

The term "neutralization reaction" describes the processes that happen when basic and acidic compounds interact and counteract each other's effects to produce salt, water, and energy (heat). An example would be a neutralizing antibody. It refers to an antibody's capacity to block the site(s) on bacteria or viruses that they employ to enter their target cell in an immunological sense. A neutralizing antibody is one biological illustration of this.

What measurement reflects the extent to which your lifestyle contributes to the production of greenhouse gases?​

Answers

Answer:carbon footprint

Explanation:

that’s the answer trust me :)

Using the ICD-10-CM code book, assign code(s) for the following diagnosis: Initial
. encounter for injury sustained due to nightgown catching fire while cooking
breakfast in the kitchen of her mobile home.
List the ICD-10-CM code to report the place of occurrence.

Answers

Encounter due to injury suffered due to the shirt on fire while cooking - ICD 10 - T29 Burns and corrosion of multiple body regions.

Breakfast in the kitchen of your mobile home.- CID 10 X51.8 Travel and movement

What does the ICD mean?

The International Classification of Diseases and Related Health Problems, better known as the ICD, is one of the main epidemiological tools in everyday medical practice. The main function of the ICD is to monitor the incidence and prevalence of diseases, through universal standardization.

With this information, we can conclude that ICD-10 is the 10th revision of the International Statistical Classification of Diseases and Related Health Problems

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What is mass?
how much gravity pulls an object
how often an object rotates
how much energy an object needs
Ohow much matter makes up an object

Answers

Answer:

Mass is the amount of matter in a substance measured in kilograms

Answer:

how much matter makes up an object

Explanation:

Identify the most efficient way to protect biodiversity. Explain your reasoning.

Answers

HELP THE BEES!
Bees pollinate nearly 90% of plant species and they contribute to more than 35% of the world’s food supply, but they’re under threat from varroa mites. Plant scientists are developing cutting edge crop protection products to help farmers control the mites and protect precious bee populations.

Give pollinators an extra boost in your backyard by planting a variety of wildflowers and native plants to provide nectar that will bloom throughout the season. You can also build bee boxes for native bees to make their home.[1]

PLANT LOCAL FLOWERS, FRUIT AND VEGETABLES
Research the plants and vegetables that are local to your area and grow a variety. Each plant and vegetable helps to protect biodiversity and supports the wider ecosystem of your local area.

PROTECT NATURAL HABITATS
Human impact on the earth can have a devastating impact on biodiversity. Small steps like keeping to walking paths, and not stepping through flowers or crops, can help protect what is growing there.

TAKE A WALK
Climate change can have devastating consequences for biodiversity. Reducing your carbon footprint by taking the bus or walking can help protect it.

Plant scientists are also working to combat climate change every day. One example is through innovative developments in conservation tillage, which uses less fuel and therefore reduces the emission of greenhouse gases.

CONSERVE YOUR WATER USE
Fresh bodies of water are essential to biodiversity. Reducing the amount of water you use, by having a 5-minute shower or not running the water when washing up the dishes, can help protect vital wetlands.

Plant scientists are also working to help conserve by developing crop varieties that use less water.

REDUCE, REUSE AND RECYCLE
Recycling lessens pollution by decreasing energy, electricity, and water consumption and the need for landfills. Not only can you recycle bottles and cans, but your local recycling center will usually allow you to recycle clothes, electrical goods and batteries.

Programs around the world have collected and recycled almost 800,000 metric tons of empty pesticide containers and agricultural plastics in the last thirteen years. That is more than the weight of 100 Eiffel Towers.

SUPPORT FARMERS
Farmers play a key role in conserving biodiversity.

With the help of biotechnology and plant science, farmers can grow more food on the same amount of land. This takes the pressure off the need to convert natural habitats into farmland.

BUY LOCAL FOODS WHEN YOU CAN
Buying from your local farmer at a farmers’ market or through a farm stand gives you the ability to find out how your food was grown and learn what they are doing on the farm to help conserve biodiversity.

VISIT YOUR LOCAL BOTANICAL GARDEN
Botanical gardens are great for biodiversity conservation, as scientists can store, study and grow plants in their native habitats. Visiting and donating to your local botanical garden will help them continue to protect and promote biodiversity.

EDUCATE YOURSELF AND THOSE AROUND YOU
Educating people about the importance of biodiversity conservation increases public awareness of the issue. As public awareness increases, people become more involved in caring about their environment.

Answer:

The efficient way to protect biodiversity is to protect plant and animal species that are extinct day by day and minimize the effect of pollution on the environment.

Explanation:

What role does cellular respiration play in the carbon cycle?
O A. Animals absorb oxygen.
O B. Plants release oxygen.
O C. Plants absorb carbon dioxide
D. Animals produce carbon dioride

Answers

I believe the correct answer is C

Answer:

D. animals produce carbon dioxide

which of the following terms refer to the practicle application of scientific knowledge

Answers

Answer:

Technology is defined as the application of scientific knowledge for practical purposes, especially in industry

Explanation:

hope it helpsʕ •ᴥ•ʔ

In recent times, we now know tectonic plates move and cause continents to separate and collide over many years. Given this fact, do you think
governments should have a plan or procedure in place to deal with the movement of the continents? Why or why not?

i’ll give brainly

Answers

I think the government should have a plan or procedure in place to deal with the movement of the continents so as to curb species extinction.

What is Climate?

This is referred to as the atmospheric condition of a place for a long period of time.

Drifting of continents leads to a new climate being present which will affect life forms. If they are unable to adapt they may all die out and go extinct thereby disrupting the ecosystem which is why a plan should be put in place.

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name the water resource from where river orginatehelp me ​

Answers

Answer:

The source is mainly called headwater and its examples are waterfalls, groundwater, rainfall, and snowmelt in mountains. Basically, it is affected by the gravity

Explanation:

Hello!

Water resources from which rivers originate :

Snowmelt from mountainsGroundwaterRainwater

Which of these is NOT a protein function?
A. Hemoglobin carries oxygen to the organs and tissues.
B. Enzymes speed up reaction rates.
C. Antibodies fight infections and diseases.
D. Phospholipids provide structural support to the cell membrane.

Answers

Answer:

D. Phospholipids provide structural support to the cell membrane.

Explanation:

Phospholipids are a type of lipid, not protein. Proteins are composed of amino acids, while lipids are composed of fatty acids.

Dina placed five identical small plants into separate pots of the same size containing the same amount of soil. She wanted to investigate how different conditions affect the growth of plants. The different conditions are shown in the table below. A tick ( ✔) represents the presence of the factors.
The diagrams show Dina’s plants after one week.
According to Dina's results, which factor has the least effect on plant growth?

Answers

Answer:

. First, plant cells have a large central vacuole that holds a mixture of water, nutrients, and wastes. A plant cell's vacuole can make up 90% of the cell's volume. The large central vacuole essentially stores water.

Answer:

ok

Explanation:

ok wrong answer is c

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Which statement best describes the path of the paper airplane?

The paper airplane will move in a straight line, according to Newton’s first law of motion.
The paper airplane will drop straight to the ground once its inertia gives in to the force of gravity.
The paper airplane will create a curved path toward the floor as it is pulled toward Earth’s center.
The paper airplane will orbit around the desk because it is the object with the largest mass in the room.

Answers

Answer:

a paper plane also known as and paper aeroplane in American English or paper aeroplane in British English is it toy aircraft usually a glider made out the single folded sheet of paper or paper boat a simple noise heavy paper plane truth like a dot is also known as paper

The paper airplane will create a curved path toward the floor as it is pulled toward Earth’s center. Therefore, option (C) is correct.

Gravity draws items towards Earth's centre. Gravity will speed the paper aeroplane when released. Thus, the paper aeroplane will curve towards the floor, increasing speed until it hits the ground.

As it falls, gravity accelerates the paper aeroplane towards Earth, causing its curved course. Since the paper aeroplane is not at rest or in uniform motion, Newton's first law of motion—the law of inertia—does not apply. Therefore, option (C) is correct.

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What is one way that scientists use imagination to guide their creativity when they conduct research?
They write preliminary lab reports with imagined data and results.
They sketch equipment setups before performing experiments.
They create computer programs to manage experimental data.
They visualize possible solutions before they design experiments.

Answers

Scientists study and use their knowledge to research the topic. They use their imagination to visualize possible solutions before they design experiments. Thus, option D is correct.

Who are scientists?

Scientists are the people that are involved in utilizing their knowledge in research to analyze the collected and observed data to conclude the hypothesis or the thesis statement.

They use their knowledge along with their imagination as they have to be creative to reach the result of the issue. They design the experimental setups based on their pre-assumed results and possible solutions.

It is an important factor in research as it allows the scientists to work in the right direction to achieve the possible outcome by linking all the perspectives involved.

Therefore, the scientist uses imagination to reach a possible solution.

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What environmental condition contributed to the heat wave experienced in europe and the thousands of deaths in france? a. polluted water b. sewage c. air pollution d. a and b please select the best answer from the choices provided a b c d mark this and return

Answers

Air pollution contributed to the heat wave experienced in Europe and the thousands of deaths in France.

Particles that are both solid and liquid, as well as some gases that are suspended in the air, are what produce air pollution. These gases and particles can be produced by factories, volcanoes, wildfires, dust, pollen, and vehicle and truck emissions.In Europe, a heat wave is a period of exceptionally hot weather. Several deaths caused by excessive heat and associated health problems were documented during this time. The air pollution caused the increase of greenhouse gases leading to heat waves. The primary reason for this temperature increase is global warming.The Earth would have experienced nighttime temperatures below freezing if not for the greenhouse effect, which keeps the atmosphere's temperature stable.

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why is learning the scientific method as an allied health care professional is important?

Answers

The scientific method is fundamental in health care professionals because all procedures and knowledge in this field are based on the application of this method.

What is the scientific method?

The scientific method is a series of steps used to collect empirical evidence associated with all scientific disciplines.

Healthcare is a scientific field and therefore all hypotheses in this area should be tested (either rejected or confirmed) by using the scientific method.

In conclusion, the scientific method is fundamental in health care professionals because all procedures and knowledge in this field are based on the application of this method.

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I'll mark brainest for anyone that can answer this (definition of monocotyledon plant)​

Answers

Plants with just one cotyledon are said to be monocotyledons. They also include floral segments that are multiples of three. This implies that their blooms may be made up of sepals instead of petals, or they may have three, six, or nine petals. Additionally, they have accidental roots. These are roots that may sprout from nearly any portion of the plant that comes into touch with the soil, such as the stem.

For instance, garlic plants, spiderwort, etc.

During which time period was Earth a ball of hot liquid?

Answers

Answer:

Approximately 4.5 billion years ago (The Hadean Eon) .

Explanation:

The Geologic Timescale's "Hadean" era, named for Hades (Hell, well, we weren't feeling very imaginative that day), encompasses the Earth's origins. According to the evidence we currently have, the Earth's surface at that time was mostly made up of lava lakes and molten rock.

How would that appear? The first 500 Ma of Earth's history have left very little stuff behind. You may, however, take a peek at our moon, which similarly went through a lava lake period before freezing. You'll see that it has both dark and bright landscape.

The lighter material is known as highlands and is primarily composed of anorthosite. Anorthose, a kind of plagioclase feldspar, is the main component of the igneous rock known as anorthosite. According to what we know, the Moon too had a lava lake era. Liquid rocks exposed at the surface were cooling and fractionally crystallizing throughout this lengthy period. A certain order of minerals was developing. And these minerals were dividing up according to the density of the melt; less dense minerals, like plagioclase (Anorthose is a plagioclase), floated to the surface in a sort of incandescent crystal slush slurry and formed a sort of lid there. Denser minerals, like olivines, were sinking to the bottom of the lava lake to form cumulates. As the lava lakes cooled, anorthosite piled on top in successive layers, thickening the mass of floating crystals. Large meteor impacts occasionally pierced this anorthosite crust, and part of the thicker (and darker) underlying liquid accumulated in the ensuing craters to produce those roundish dark patches (Maria), which are now filled with basalt.

After the lava lakes froze/crystallized over, such characteristics were maintained since there was no significant tectonic activity on the Moon (except for the local meteor impacts which screw things up a bit).

Answer:

I hope this helps.

Explanation:

how has urbanization contributed to the decline in birth rates?

Answers

Answer: b

Explanation:

Whats the correct answer answer ASAP for brainlist

Answers

The Nile does not run there

What is the definition of of Alternative Hypothesis?

The variable responding to manipulation

The independent variable will have no effect on the dependent variable

if the independent variable is changed then the dependent variable will change

The variable being manipulated

Answers

The definition of Alternative Hypothesis is the variable being manipulated. Thus, option "D" is correct.

What is the independent variable?

The independent variable is a variable whose value is independent of the value of another variable. The dependent variable is a variable whose value is determined by the value of another variable.

The independent variable is the factor that is changed or manipulated; the dependent variable is the factor that depends on the independent variable.

Thus, option "D" is correct.

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unique characteristic feature of a virus ?

Answers

Answer:

They are acellular, that is, they contain no cytoplasm or cellular organelles. They carry out no metabolism on their own and must replicate using the host cell's metabolic machinery. In other words, viruses don't grow and divide. Instead, new viral components are synthesized and assembled within the infected host cell.

Explanation:

Hope it helps!!!

Answer:

Explanation:.

PLEASE HELP

A scientist needs to use a model to study how planets change speed as they orbit the Sun. The model must be able to work with many variables and math equations to represent the planets' motions.

Which of the following would be the best kind of model for the scientist to use?
A.
a list of information about each planet's orbit
B.
an interactive model of the planets' orbits on a computer
C.
a drawing of the planets in order of distance from the Sun
D.
a 3-D styrofoam model of the planets in order of size

Answers

The best kind of model for the scientist to use is an interactive model of the planets' orbits on a computer.

What is the law of orbits?

Kepler's first law, also known as the law of orbits, describes the shape of planetary orbits. According to this law, the planet's orbits around the Sun are elliptical, despite having very small eccentricities.

For this reason, it is necessary to know all the orbits of the planets in an interactive way, since according to Kepler's law, the orbits decrease over time.

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Is this statemer true or false?
Most scientists come up with questions to investigate out of the blue.

Answers

Answer:

For me it is true because most scientists are very curious and do not like being idle sometimes so they just think of questions to investigate to know more about a particular thing.There is a saying that no knowledge is useless. This is what I think

Answer: False

Explanation:

Took the quiz. This is the right answer.

what is internet? write down the requirements to established internet.​

Answers

Answer:Telephone line, modem, computer, and an ISP are the things needed to connect to the Internet

Explanation:

Which of the following does NOT accurately identify an aspect of adolescence that hampers effective responses to adolescent depression?

Answers

Adolescents are fundamentally untrustworthy when it comes to their emotional worlds  does not accurately identify an aspect of adolescence that hampers effective responses to adolescent depression.

What is Depression?

This is referred to a mental disorder which is characterized by reduced mood and loss of interest in activities.

Adolescents are not fundamentally untrustworthy and they have difficulty recognizing depression.

The options include:

Adolescents attach stigma to depression.Adolescents often have difficulty recognizing depression.Adolescents tend to seek help from informal rather than professional sources.Adolescents are fundamentally untrustworthy when it comes to their emotional words.

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If you were on the Moon, how would you feel?
heavier
lighter
tiny. . huge

Answers

Answer:

tiny sorry if I'm wrong

Explanation:

I believe it’s lighter

Why do organisms have varying traits, like different colored eggs?

What might drive change in egg color in natural population?

Is this experiment an example of natural or artificial selection and why?

Answers

the organisms have varying traits, like different colored eggs because of the natural selection.

What is the process of natural selection?

Natural selection is one of the main mechanisms of evolution. In a very simple way, we can say that natural selection is a process in which the fittest organisms are selected, survive in the environment, reproduce and pass their characteristics on to their descendants.

the color change of an egg occurs by natural selection and also by genetic variability. since the environment will select the best ones to survive and mutations will occur. Natural selection will forcefully change the environment causing only a few species to survive.

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Other Questions
In a science museum, a 110 kg brass pendulum bob swings at the end of a 13.9 m -long wire. the pendulum is started at exactly 8:00 a.m. every morning by pulling it 1.2 m to the side and releasing it. because of its compact shape and smooth surface, the pendulum's damping constant is only 0.010kg/s. at exactly 12:00 noon, how many oscillations will the pendulum have completed? what is its amplitude at noon? If an increase in consumer incomes leads to a decrease in the demand for camping equipment, then camping equipment is? The Persian ruler __________ established the largest empire known. a.Dariusc.Cyrus the Greatb.Xerxesd.Alexander the Great During the 1950s, the Second Great Migration saw millions of African Americans migrating from the South to the North.Match the phrases below to the push-and-pull factors of the Second Great Migration.better wagesgood living conditionsJim Crow lawssystematic denial of opportunitypoor economic conditions PRESIDENT CARTER: We've brought down inflation. Earlier this year, the first quarter, we did have a very severe inflation pressure, brought about by the OPEC price increase. It averaged about 18 percent the first quarter of this year. The second quarter, we had dropped it down to about 13 percent. The most recent figures, the last 3 months, or the third quarter of this year, the inflation rate is 7 percent still too high, but it illustrates very vividly that in addition to providing an enormous number of jobs 9 million new jobs in the last 3 1/2 years that the inflationary threat is still urgent on us . . . . So, our proposals are very sound and very carefully considered to stimulate jobs, to improve the industrial complex of this country, to create tools for American workers, and at the same time would be anti-inflationary in nature. So, to add 9 million new jobs, to control inflation, and to plan for the future with the energy policy now intact as a foundation is our plan for the years ahead. Which claim does President Carter make in this excerpt from the debate? The only way to lower inflation is to create a new energy policy. His new economic policy will help fix the OPEC price increase. Rising oil prices are not to blame for the increase in inflation. His polices have already reduced inflation by more than 10 percent. Read this excerpt from the prologue of Shakespeares play Henry V, in which King Henry is referred to as Harry.A kingdom for a stage, princes to actAnd monarchs to behold the swelling scene!Then should the warlike Harry, like himself,Assume the port of Mars; and at his heels,Leash'd in like hounds, should famine, sword and fireCrouch for employment.This excerpt mostly introducesthe character of King Henry, or Harry.the setting of the port of Mars.the conflict of a war between England and France.the setting of the fields of war. Which of the following statements is oneof the postulates in Dalton's atomictheory?a. All elements are composed of atoms.b. Most elements are composed of atoms.c. Some elements are composed of atoms.d. Solid elements are composed of atoms. Which lists Abraham Lincolns career achievements in the correct order?member of House of Representatives, member of US Senate, US presidentIllinois governor, member of House of Representatives, US presidentIllinois state legislator, member of House of Representatives, US presidentIllinois state legislator, member of US Senate, US president PLEASE HELP!!!What is the correct net ionic reaction for Pb(NO3)2(aq) +2NaI(aq) PbI2(s) + 2NaNO3(aq)? Renting a car costs $40 per day or $750 per month. renting daily is cheaper for a few days, but after how many days is it cheaper to rent on a monthly basis? Write a 5-sentence paragraph outlining the argument between labor and management. What were workers essentially fighting for during the various strikes we learned about (Railroad Strikes of 1877, Haymarket Riot, Homestead Strike, Pullman Strike)? Use evidence from these strikes to argue your point(s).Your paragraph should include:A topic sentence stating that they are more different OR alike in approachOne claim on how they are most importantly different/alikeThe best piece of evidence from the texts to show how this demonstrates they are different/alikeOne piece of commentary, or analysis, about that evidenceConclusion restating that they are more different OR alike and how ow does Geijers comment support MacGregors point?It describes the way tea became popular in Great Britain.It shows how many wars were started as tea became desired. It illustrates the popularity of tea in Britain during the 1800s.It argues that tea is not originally from Great Britain. PLS HELP ITS A EMERGENCY!!!!! Lesson 2 History of Physical ScienceWrite an expository essay explaining how science builds on itself. Use at least two specific examples from this lesson. A plank of length L=2.200 m and mass M=4.00 kg is suspended horizontally by a thin cable at one end and to a pivot on a wall at the other end as shown. The cable is attached at a height H=1.70 m above the pivot and the plank's CM is located a distance d=0.700 m from the pivot.Calculate the tension in the cable. Jackson conducted a survey at his school about its students' favoritesport. He chose a name at random from a list of all the students in theschool, and chose every 10th student after that for the sample.. Was thisa random sample, and if so, which sampling method did Jackson use?OA) Yes, simple random sample.O B) Yes, systematic random sample.OC) Yes, stratified random sample.OD) No, it was not a random sample. Ram gives his dog a piece of bread to eat. The dog picks it up and starts eating. Which of the following organ systems of the dog is active when it eats the bread?1. digestive system2.nervous system3.skeletal systemA. only 1B. only 1 and 2C. only 1 and 3D. all -1, 2 and 3 what is comprehension with examples Based on the passage the reader can infer that some Haida families lived in homes that Describe personal computer skills using three adjectives?