Answer:
C
Explanation:
The cell wall in only present in plant cells, not animal cells. Hence, the fact that plant cells are rectangular while animal cells are more circular.
help asap i need to submit
Answer:
I think it's 1 boy sure tho
2. I Love Popcorn!
Jason wanted to find out how he could increase the number of popcorn kernels that pop when
1
cooked. He hypothesized that more kernels would pop if he used more oil. To test this, he placed
100 kernels of "Pop Rite' popcorn into a popcorn popper that contained different amounts of oil. He
used the following amounts of oil: 5 ml, 10 ml, 20 ml, and 30ml. He used 5 ml of oil as the control.
Header
He conducted the test 3 times for each amount of oil. He then counted the number of kernels that
had popped. Each time he heated the oil for 2 minutes and cooked the popcorn for 4 minutes.
Hypothesis: I think the popcorn with the most oil will have the most popped kernels because the hotter
all the oil gets and the more oil there is in it, then the kernels will be able to pop faster. What are the:
Independent Variables:
Dependent Variables:
Controlled Variables:
Answer:
Independent: amounts of oil
Dependent: amounts of popped kernels
Controlled variables: Kernel brand, cooking time, popping time
Explanation:
Independent variables are what are changed in the experiment. The dependent variables depend on the independent so they are what is affected each time. Usually this is what is being tested for. Controlled variables are those that aren't being tested and are kept the same each time to make sure it doesn't change the outcome.
Info
What step of the scientific method comes after forming
question?
a
DNA and rna are both?
Answer:
DNA and RNA are both molecules that contain genetic information and are made up of nucleotides.
Which of the following is not a process that wears down or build up Earth's surface?
A. erosion
B. deposition
C. compaction
D. Weathering
Answer:
compaction
Explanation:
compaction doesn't wear down or build up the earth's surface
What are the 8 Essential Life Functions?
Answer:
Repiration, Regulation,Reproduction,Excretion,Growth,Nutrition,Transport,
Explanation:
What would happen if a plant cell is placed in a solution of salt?
an organism has a haloed number of 20. what is the organism's diploid number?
Answer:
The organism's diploid number is 40.
Explanation:
Haloed means half and Diploid means double of half. So in this case if it's haloed is 20, 20*2=40. The diploid number is 40.
What are Pioneer organisms in a Primary and secondary succession?
Answer:real remains
Explanation: because of real time
(b) Describe how a student could test cow's milk to show whether it contains protein
different types of carbohydrate.
To show that cow milk contains protein and different types of carbohydrate,food tests should be carried out by the student.
Carbohydrates (sugars) are the main sources of food through which the body derives energy from.
The various types of carbohydrate are the simple sugars, complex sugars and starch.
Proteins are the main body-building substances which are necessary for the maintenance of health.
The cow milk contains proteins and a type of carbohydrate called lactose which is an example of complex sugar.
To test for protein in milk, xanthoproteic reaction test should be carried out by the student. The procedure includes:
To the milk solution add a few drops of concentrated nitric acidA white precipitate forms, which turns yellow on heating.Cool the contents and add a few drops of ammonia solution.The colour of the precipitate deepens to yellow indicating presence of protein in the cow milk.To test for carbohydrate in milk, a test for complex sugar should be carried out by the student. The procedure includes:
Add milk solution and hydrochloric acid into a test tube. Place the test tube inside a boiling water-bath.The acid hydrolyses the complex sugar to simple sugars.Fehling's test is then carried out on the simple sugars that are formed which are glucose and galactose.An orange-red precipitate indicates a positive result.Learn more here:
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Which if the following statements is true regarding scientific hypothesis?
Answer:
A testable hypothesis is valuable, even if evidence shows that it is false
Explanation:
Sorry it took so long hope it helps!!
How did eukaryotic cells evolve (short simple answer and I’ll mark you as the smartest)
In science Observation and experimentation correlate with what aspects of critical thinking
Answer:
The critic thinking
which may be defined by (the ability to verify assumptions, ideas, are they real, or bear part of the truth, or are they unreal) and may be defined as "reasonable contemplative thinking that focuses on what the individual believes or performs." It is an examination and evaluation of the solutions offered in order to make a judgment about the value of the thing
Need help emt class
Answer:
3.
ExplaA bilateral hip replacement, for instance, replaces both hip bones in the same operation.
4. The immune system
marks me as brainiest.
say thanks
6 different between mango and lotus
Answer:
Mango tree: ... They are also grown mostly for the mango fruit production as the mango production achieved Mangifera is their genus name . They have relatively large leaves and can grow up to the height of 40 meter. Rose plant : They are the plants which means they are relatively small and has the weak stem.
How can I read this correctly
A student wants to know if the amount of water grass receives affects the growth is this a testable question? Why or why not.
Finch species living on the Galapagos Islands exhibit a variety of beak types that favor different foods. Finches that eat seeds and plant parts have beaks of the shorter, thicker variety, while finches that eat insects and other small organisms have thin, pointed beaks. 78% of the finches on an island in the Galapagos have beaks that are identical to Finch 1. What conclusion can you reach about the availability of food for the finches on this island?
A)
There is an abundance of insects.
B)
There is an abundance of seeds and nuts.
C)
There is a wide variety of foods for the finches to eat.
D)
Plants have died out and there are only insects for food
Answer:
B) There is an abundance of seeds and nuts.
Which of the following pairs is not a correct monomer/polymer pairing?
A. Monosaccharide/polysaccharide.
B. Amino acid/protein.
C. Triglyceride/cellulose.
D. Nucleotide/DNA.
E. Nucleotide/RNA.
Answer:
He is right i took the test
Explanation:
To test the effectiveness of a new nutrient supplement, one group of identical mice is given the supplement, and the other group is not given anything. Which is the most complete list of the parts of an experiment presented in this scenario? independent variable, dependent variable control group, experimental group, dependent variable independent variable, control group, experimental group control group, experimental group
Answer:
The answer is the second option: Dependent variable, experimental group and control group
Explanation:
Let's list out all possible variables/groups in the option
Independent variable: This is a variable that is intentionally (directly or indirectly) altered by the one doing the experiment but is not affected by any variable/group during the course of the experiment. No Independent variable was mentioned.
Dependent variable: This is a variable that is affected by another variable and is usually the variable been tested during the course of an experiment. The dependent variable here is the effectiveness of a new nutrient supplement.
Experimental group: This is the group that is being treated during the course of an experiment. The experimental group here is the group of identical mice given the supplement.
Control group: This is a reference group that is not given any treatment during the course of an experiment. The control group here is the group of identical mice not given anything.
From the above description, it can be deduced that the parts of the experiment described in the scenario in the question is dependent variable, experimental group and control group.
Answer:
B :)
Explanation:
for people who speed run
Why are most oceanic trenches found in the Pacific Ocean?
Answer:
It's where the subduction zones are.
Explanation:
Subduction zones - when two plates meet and one gives way to the other.
Answer:
Most oceanic trenches found in the Pacific Ocean because it is the largest ocean, therefore it has most most convergent boundaries. Whenever a convergent boundary is formed it creates a trench because the oceanic plates are denser the continental plates so they sink. This is known as subduction.
Which of these statements explains a key difference between unicellular and multicellular organisms?
A)Only multicellular organisms can photosynthesize
B)The cells of unicellular organisms are much smaller than the cells of multicellular organisms.
C)Multicellular organisms have cell walls that provide structure and support for their cells, but unicellular organisms do not.
D)Multicellular organisms have membrane bound organelles that carry out specific functions.
Answer:
Multicellular organisms have cells, not just organelles, that carry out specific functions
Explanation:
For each food listed below choose whether it has it all single carbon to carbon bonds or at least one double carbon to carbon bond
Answer:
Peanut butter
All single carbon-to-carbon bonds
Sunflower oil
At least one double carbon-to-carbon bond
Cheddar cheese
All single carbon-to-carbon bonds
Explanation: I did it on Edge 2020 and it was correct.
1. Was the restoration project effective? Explain why or why not, supporting your answer with information from your data tables and graphs. 2. Why was counting the number of species in the area important? In your answer, consider the effect a mangrove habitat has on biodiversity. 3. After five years, the average height of each mangrove species was also measured. Did this information help you better evaluate the success of the restoration project, or did it change your mind? Explain your reasoning.
Answer:
1- Yes the restoration was effective because the north beach seeds were replant and in 5 years there was almost 100% regrowth of mangroves. After five years, the average height of each mangrove species was also measured.
2- Yes the counting the number of species in the area was important because it helped figure out how much the storm damaged each beach and it showed how the animals were affected. The effect a mangrove habitat has on biodiversity is by giving animals a home, a place to sleep and shelter.
3- Yes, after five years, the average height of each mangrove species was also measured which helped realize that the restoration project was a success.
define electric potential of 1 volt
Answer:
Explanation:
one volt is the potential difference between two points in electric field if one joule of work is done to move a charge of one coulomb from one point to another point against the electric intensity
1v=1w/1q
Which process occurred when water droplets formed on the grass
Answer:
condensation
Explanation:
because water is collected as droplets on a cold surface when humid air gets in contact with it
Condensation is the process occurred when water droplets formed on the grass because water is collected as droplets on a cold surface when humid air gets in contact with it.
What is condensation?The water droplets forming on inside is condensation.The transformation of airborne water vapor into liquid water is known as the condensation of water. It takes place when water transitions from a gaseous state to a liquid or crystallized state.
When the air is cooled below the dew point, the excess water vapor condenses onto surfaces in the form of water droplets. This is why we may notice water droplets forming on the outside of a cold glass of water on a hot day, or on the inside of a window on a cold day.
At high pressure and low temperature, any gas can condense. As a result, water droplets condense on the interior of a chilly windshield. Water droplets can form inside windows due to a process called condensation.
Therefore, Condensation is the process occurred when water droplets formed on the grass because water is collected as droplets on a cold surface when humid air gets in contact with it.
Learn more about Condensation on:
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what is the function of the rough endoplasmic reticulums (rough er) and are they found plant cells or animal cells or both
Answer:
Explanation:
Function of rough endoplasmic reticulums are:
* synthesizes lipids
* processes toxin and drugs in liver cell
* stores and release calcium irons in muscle cell
They found in animal cells
What is the reason for having eyebrows
What is aerobic respiration?
Explanation:
The respiration which uses oxygen is called aerobic respiration. In aerobic respiration, the glucose food is completely broken down into carbon dioxide and water by oxidation. Aerobic respiration produces a considerable amount of energy for use by the organism which gets stored in the ATP molecules.
Anything that’s has mass and takes up space is considered to be
Answer:
matter
Explanation: