Answer:
A. amount of food available
Explanation:
An experiment consists of two types of variables, independent and dependent. Value of independent variable is decided by the person doing the experiment and is independent of experimental conditions. Value of dependent variable is dependent on the independent variable. It can not be altered by the person doing experiment.
Here, it is given that mice receive variable amount of food each day and their lifespan is recorded. Since the amount of food is decided already it is the independent variable. The lifespan is expected to depend on the amount of food hence it is the dependent variable.
you can put a needle through it and it won't break.
Carbon is found in the atmosphere mostly carbon dioxide. Animal and plant respiration place carbon into the atmosphere.When you exhale, you are placing carbon dioxide into the atmosphere. Carbon is found in the lithosphere in the form of carbonate rocks.
<em>Answer:</em>
<em>C) </em><u><em>mitochondrion</em></u>
Explanation:
Mitochondria mitochondria is a semi autonomous organelle.
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( . . ) <em>hope this helps!</em>
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It is because of negative charge on DNA, they pushed through the gel [ get attracted to positive end of the plate ]
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