Answer:
Option D. should be correct
Explanation:
prove me wrong
i dont know if it is group 2 or group 14
The group 2 Elements The Alkaline Earth Metals and the group 14 carbon.
Once you have the atomic number of an element you can find its period number and group number. The periodic number refers to the number of shells an electron in an element occupies, while the periodic number refers to its valence electrons. Group 14 is the carbon family. The five members are carbon silicon germanium tin and lead.
All of these elements have four electrons at their limited energy levels. Of the group 14 elements, only carbon, and silicon form bonds as electron-sharing non-metals. The carbon family is also called carbon group 14 or group IV. This family was called petrel or tetragon because the elements belonged to group IV or as a reference to the four valence electrons of the atoms of these elements. This family is also called crystallins.
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What is the difference between small, controlled lab experiments versus an ecosystem-scale experiment?
The major difference between the small, controlled lab experiments versus an ecosystem-scale experiment is the number of variables.
Experiments are the scientific procedures carried out in order to make some discovery, test any hypothesis or demonstrate or mimic any natural process. Experiment is a step by step process that requires strict conditions.
Variables in an experiment are the factors, characters or some condition that can be changes according to the need or demand of the experiment. There are three types of variables: Independent, Dependent and Controlled. Independent variable can be changes manually, dependent variable is the one whose change affects the experiment and controlled variables are the one that remain constant.
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The human stomach is an organ that helps us digest food. The stomach is one of many organs involved in the process of digestion. Others include the esophagus, small intestine, pancreas, and gall bladder. What name is given to a set of organs that work together to perform a specific function?
A. System
B. Phylum
C. Centriole
D. Tissue
After completing an internship with UC San Francisco in the Yosemite National Park for 3 months what change would most likely be seen in your blood?
The change most likely be seen in your blood a website about camping in Yosemite National Park sponsored by a company that sells tour guide services an article about geographical features of Yosemite National Park that includes an author’s name and works cited.
What is website?Company's name and fame id totally depends upon advertisement and its products and websites play an important role in order to make company popular and due to this reason company used the website or designed the website in unique and knowledgeable manner.
Therefore, The change most likely be seen in your blood a website about camping in Yosemite National Park sponsored by a company that sells tour guide services an article about geographical features of Yosemite National Park that includes an author’s name and works cited.
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Are lipids hydrophilic or hydrophobic? Explain why.
PLEASE ANSWER ASAP ITS A TEST:Which label belongs in the area marked X? Obreathe in from atmosphere O produce themselves Oeat other organisms O absorb from soil
RIP bro I hope u pass the test gl
The muscle is an example of an tissue.Give two reason why the muscle is called tissue ( 2 marks)
Answer: 1. It is made up of a group of cells.
2. These cells have a well-defined shape, and size and perform a specific function.
Explanation:
A cell is the unit of life. All living organisms are made of billions of cells. These cells have specific functions to play in the sustenance of a living organism.
A tissue is a group of cells that have a definite shape, size, and particular function to play.
The muscle is a group of muscle cells. These are soft tissues. They have an elongated shape and can easily contract and relax.
The muscle tissues give the body a definite structure and help in body movements.
There are three types of muscle tissues. These are soft tissues, striated muscle tissues, and cardiac muscle tissues.
Which of the following is the most significant effect of satellite technology on weather prediction?
O the five-day forecast for hurricane intensity now has an accuracy of less than 1% for wind speed
O multiple computer models can make the same predictions well in advance of storms
O the exact location of a tornado can be predicted 6 hours in advance
increased preparedness can save lives and property
The most significant effect of satellite technology on weather prediction is the exact location of a tornado can be predicted 6 hours in advance increased preparedness can save lives and property.
In addition to providing in-flight phone service for aircraft, satellites are frequently the primary means of voice communication in rural areas and in places where phone lines have been damaged as a result of a disaster. Cell phones and pagers also get their primary timing from satellites.
Along with this, satellites help meteorologists to prevent casualties before weather calamities in places that are prone to such disasters.
How is weather predicted by satellites?
The primary purpose of the geostationary satellites is to take pictures of the Earth, which, when looped together, enable meteorologists and the general public to observe the development and motion of clouds and storms in the atmosphere. For the nowcasting or short-term forecasting, of severe weather, this information is very important.
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what is sexual reproduction system
The process of creating new creatures through the union of the genetic material from two individuals of different sexes is known as sexual reproduction.
The majority of creatures have chromosomes, which contain the genetic material, in the nuclei of their reproductive cells, known as gametes, which mate to produce a diploid zygote. The fusion of a haploid female gamete (egg cell) with a haploid male gamete is the process of sexual reproduction.
These gametes combine during fertilization, creating a diploid zygote as a consequence. A unique organism that is genetically separate from its parent species emerges from the zygote. Contrast this with asexual reproduction, in which an organism reproduces without the use of gametes and the progeny are identical clones of the parent.
However, sexual reproduction outperforms asexual reproduction in terms of boosting genetic diversity and enlarging the gene pool. Additionally, it guarantees that a species' chromosomal count will not change over successive generations. The two main methods of sexual reproduction are conjugation and syngamy.
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Two students were able to identify an organism to differing levels of classification. Student "A" was able to identify the organism to the level of "class." Student "B" was able to identify the organism to the level of "order". Which student has been able to classify the organism more accurately? Explain.
Student B was able to identify the organism to the level of order.
Contemporary-day scientists base their classifications specially on molecular similarities. They group collectively organisms that have comparable proteins and DNA. Molecular similarities show that organisms are related. In other words, they're descendants of a common ancestor in the beyond.
Aristotle come to be the primary scientist who attempted to categorise organisms. He subdivided flowers into 3 agencies: shrubs, herbs and wooden. He subdivided animals into their habitat: air, water and land.
inside the 18th century, Carl Linnaeus posted a machine for classifying dwelling subjects, which has been superior into the modern-day category system.
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Colorblindness is due to a sex-linked recessive allele. What are the chances of a colorblind father and a carrier mother having a child with colorblindness?1/41/23/40
The cross of the father who is homozygous for colorblindness and the mother who is heterozygous for colorblindness (carrier) are the following offspring:
50% CC - homozygous for colorblindness and 50% heterozygous for colorblindness (carrier).
Answer - The chances of having a child with colorblindness is 1/2.
What is the main component of the gel?
O Cellulose from flowering plants
O Agarose from seaweed
O Sugar from fruits
O Gelatin from cow and pig ligaments and tendons
Agarose from seaweed is the main component of the gel.
The correct option is B.
What is seaweed is good for?The use of seaweed as a component in food is becoming more widespread. The best nutritional source of iron, which supports the thyroid gland, is in this food. It also contains antioxidants that shield your cells from oxidative stress, along with additional minerals and vitamins like vitamin K, B vitamins, zinc, and iron.
Which seaweed is healthiest?Iodine, which supports healthy thyroid function, can be found in red seaweeds. Additionally, they contain heme copper (a form of iron that can actually prevent iron-deficiency anemia). If you live a vegans, vegetarian, or other plant-based lifestyle, these incredible nutritional advantages will be extremely beneficial to you.
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Attaching the appropriate amino acid to a tRNA (i.e. tRNA charging) involves interactions between:
Attaching the appropriate amino acid to a tRNA (i.e. tRNA charging) involves interactions between activated tRNA and mRNA. This happen during the translation.
mRNA- Single-stranded RNAs of the kind known as messenger RNA, or mRNA, are used to make proteins. mRNA is created during transcription from a DNA template.
Activated tRNA- The process of attaching an amino acid to its corresponding transfer RNA is known as amino acid activation, commonly known as aminoacylation and or tRNA charging (tRNA).
Amino Acid- Small chemicals known as amino acids serve as the foundation for proteins. Proteins carry out several crucial chemical processes as well as providing structural support for the cell. Twenty distinct smaller, simpler amino acid combinations make up the molecules that make up each protein.
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An amoeba is unicellular; therefore, it is an organism.
True or false
Answer:
True. This entity has been discovered and shows many of the characteristics of living things including growth, organization, and the ability to maintain homeostasis.
Explanation:
Hope it helps! =D
the structural cells of the nervous system are called
Neurons are the structural and functional units of the nervous system.
Numerous millions of neurons make up the neurological system. An internal body cell known as a neuron, also known as a nerve cell, is responsible for receiving, processing, and transmitting information via electrical and chemical impulses.
The brain, where information is processed, is the central component of the nervous system and contains the majority of its neurons. A cell body, also known as soma, dendrites, and an axon are components of every neuron.
There are only two primary types of cells in nerve tissue, despite the fact that the nervous system is incredibly complicated. The neuron is a type of nerve cell. The nervous system's basic building block, the "conducting" cell sends impulses. The other kind of cell is a neuroglia, sometimes known as a glial cell. "Neuroglia" translates as "nerve glue."
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The structural cells of the nervous system are called neurons and nerve cells.
What are neurons?The structural and operational components of the nervous system are called neurons. The neurological system is made up of several millions of neurons. A neuron, also referred to as a nerve cell, is an internal body cell that is in charge of receiving, processing, and sending information via electrical and chemical impulses.
The majority of the nervous system's neurons are found in the brain, which serves as the central hub for processing information. Each neuron has an axon, a cell body, often called a soma and dendrites.
Despite the fact that the nervous system is highly complex, there are just two main types of cells in nerve tissue.
Therefore, neurons and nerve cells are the structural cells of the nervous system.
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Choose a branch of aquatic science and research its history. Then, create a timeline of the events you discover on a separate piece of paper. You should have at least ten events. Pictures for each event should also be included as part of the
timeline. The pictures can be hand drawn, printed out, or cut out from magazines. You may decide to use an online builder such as the one here, DO NOT use either of the timelines seen in the previous lessons. All references should be properly
cited.
Answer: The timeline required is as follows:
c. Imperialism
b. Major events in the Industrial Revolution
d. Major events of the Civil War
e. Transcontinental Railroad.
a. Automobile and Henry Ford (development from the bicycle)
Explanation: In the timeline given above here are short explanations of the events.
c. Imperialism
When one nation takes over another political and economic gains.
b. Major events in the Industrial Revolution
The founding of cotton mills and the coming up of industrial towns.
d. Major events of the Civil War
These were the battles between the north and south.
e. Transcontinental Railroad.
It was completed right after the end of the civil war. It connected the nation with the railway track.
a. Automobile and Henry Ford (development from the bicycle)
The automobile was a 20th-century invention that brought modernity. It was the beginning of modern assembly line production in the US.
Why are Somali villages with sustainable grazing considered outliers? Based on your answer, how would you define an outlier?
Despite years of drought, a few Somali settlements have maintained excellent rangeland, making them outliers.
Outliers are data points, people, or communities that deviate from the norm.
This is further explained below.
Somali villages with sustainable grazing:Generally, Because they have been able to keep healthy rangeland throughout years of severe drought, the few Somali villages that have sustainable grazing are regarded to be outliers. This is in contrast to the bulk of the communities, which have not been able to preserve good rangeland.
In conclusion, An person, group, or community that is significantly different from the norm or that resides outside of a cluster of data points is referred to as an outlier.
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an individual with the condition of myasthenia gravis is faced with an autoimmune disorder in which the body defenses attack acetylcholine receptors on muscle cells. what would be the expected effect on calcium levels near contractile proteins, following the arrival of an electrical impulse at those neuromuscular junctions?
When acetylcholine binds to its receptor, the muscle is stimulated and contracts. In myasthenia gravis, immune proteins called antibodies block, alter, or even destroy acetylcholine receptors at the neuromuscular junction, preventing the muscle from contracting.
How does myasthenia gravis develop in relation to the immune system?Myasthenia gravis causes antibodies to be produced by your immune system that either block or harm many acetylcholine receptor sites in your muscles. Because there are fewer available receptor sites, your muscles get fewer nerve impulses, which results in weakening.
Myasthenia gravis (MG) is a long-term autoimmune disorder in which antibodies prevent the nerves' ability to communicate with the muscles, weakening the skeletal muscles as a result. Acetylcholine receptor antibodies are the main cause of myasthenia gravis, a neurological disorder that weakens and exhausts the voluntary muscles.
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Describe the structure of the nucleus, chromosomes, and ribosomes, and explain their functions.
REAL ANSWERS ONLY! NO LINKS!
Answer: i got you
Explanation:
would this help A cell is known as the basic structural, functional and biological unit of all living organisms. It is referred to as the smallest unit of life. Cells are known as the building blocks of living organisms. There are basically two different types of cells, prokaryotic and eukaryotic
Enzymes take on very important shapes/conformations and require cofactors and coenzymes to properly fold. What are some ways you could use the information about enzymes shape and specificity to design a treatment against a bacterial infection?
The ways in which one could use the information about enzymes shape and specificity to design a treatment against a bacterial infection is by making the antibacterial to be able to denature it.
What is Enzyme?This is referred to a biological catalyst which is involved in speeding up the rate of a reaction and is proteinous in nature.
Enzymes are substrate specific which is why they only bind to a substrate which has a similar shape and the production of antibacterial will employ the use of agents which will denature it. The change in shape will make it impossible for the bacteria to perform certain metabolic reactions thereby leading to its death.
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What can strong CMEs affect on the earth 
Answer:
CMEs can also cause surges in electrical currents which overload power grids causing widespread blackouts. Also, according to NASA, CMEs can jostle Earth's magnetic field which can impair radio transmissions and increase radio static in Earth's ionosphere.
Describe the process of pollination.
Why do "You Think" some bacteria grow better in your gut rather than your lungs or skin?
Million of bacteria grow in our gut and each have their own set of genes , that helps them to survive acidic environment of the gut. They can have both beneficial and harmful effect to your health.
While the bacteria in lungs causes symptoms similar to the cold or flu, it can be more severe and typically last longer. Immune system will typically be able to clear a viral lung infection over time. Infections can be cured by using antibiotics also .
On the other hand bacteria on skin can survive up to 20 minutes .Human skin also act as barrier that limits invasion and growth of pathogenic bacteria. Human body has a lot of defenses to keep the bad bacteria from coming in too far through these openings.
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List the following 4 materials in order of decreasing specific heat.
1. Iron, granite, dry air and liquid water
2. Liquid water, dry air, granite, iron
3.Liquid water, granite, dry air and iron
4. Iron, dry air, liquid water and granite
Answer:
3
Explanation:
lower air lesser the temp
A common yard decoration during Halloween is the infamous scarecrow. Aside from
Halloween, scarecrows were used by farmers and intended to scare away birds from
seeds and growing crops. But do they really work? Explain how you could test if
scarecrows are truly an effective bird deterrent.
Yes, scarecrows work effectively as bird deterrents.
Scarecrows are human like figures that are stationed on fields or farmlands to scare away birds.
To know how effective scarecrow can be, the following things need to be done.
The scarecrow has to flashy that it will attract attention from distance The position of the scarecrow has to changed often so that the birds will not get familiar with the position It should be adorned with accessories that make noise when there is breeze.The scarecrow works as effective bird deterrents when it is not left the same for a long period of time.
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What can strong CMEs affect on the earth
A - CMEs can cause fires on the surface of the earth
B - CMEs can cause damage to power grids by overloading them
C - CMEs can change cloud formation and decrease albedo
D - CMEs can cause radio blackouts due to energetic photons
Answer:
CMEs can also cause surges in electrical currents which overload power grids causing widespread blackouts. Also, according to NASA, CMEs can jostle Earth's magnetic field which can impair radio transmissions and increase radio static in Earth's ionosphere.
Explanation:
Which country or region is associated with each body of water?
Match each item in Column A to the answer in Column B.
The country or region associated with each body of water is given below as follows:
Lake Tahoe = Eastern United statesOhio river = Western United statesHudson bay = CanadaArctic ocean = Canada, Western United StatesColorado river = Western United statesWhat is the Arctic Ocean?The Arctic Ocean is Earth's northernmost body of water that encircles the Arctic and flows beneath it. Most of the Arctic Ocean is covered by ice throughout the year—although there have been changes due green house effects as temperatures climb. Pale and stark on the surface, the Arctic Ocean is home to a stunning array of life.
The U.S., Canada, Greenland, Iceland, Norway, and Russia all have territories that reach into the Arctic Ocean.
The Arctic Ocean is the smallest and shallowest of the world's five major oceans that spans an area of approximately 14,060,000 km² and is known as the coldest of all the oceans.
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Which of these waves have a greater amplitude?
1.
2.
3.
4.
Answer: number 1
Explanation: the higher the crest( the top) the higher the amplitude
Answer:
The answer to this question is:1
Explanation:
Because 1 has the lines reaching top and bottom line meaning it has a greater amplitude
The American Cancer Society reports that approximately what proportion of cancer cases could be prevented with a nutritious diet and regular physical activity?
Group of answer choices
Approximately one-tenth
Approximately one-fourth
Approximately one-third
Approximately one-half
Approximately one-half of the cancer cases could be prevented with a nutritious diet and regular physical activity and is therefore denoted as option D.
What is Cancer?This is referred to as a medical condition in which the cells of the body divide in an uncontrolled manner and then spreads to other parts of the body and is treated using chemotherapy and other techniques.
Cancer according to WHO can be prevented when adopting a nutritious diet and regular physical activity is practiced by individuals as it helps us to keep fit and healthy.
The American Cancer Society reports that approximately 50 percent which is equal to one-half of cancer cases could be prevented by living such healthy lifestyle which therefore makes option D the most appropriate choice.
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What would happen if the heart stopped pumping?
A) Oxygen could not be used for cellular respiration
B) Waste could not be removed from the body
C) The lungs would stop taking in oxygen
D) Blood would stop its flow throughout your body
Answer:
D) Blood would stop its flow throughout your
body
Explanation:
When a Heart stopped pumping then all the blood that flows though out your body will begin to slow down the flow of blood. Although at possible rate Lungs would stop taking in oxygen but the best answer to know first cause is Answer D.