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Bogdan [553]
3 years ago
9

Which of the following is the best definition of a system?

Biology
1 answer:
densk [106]3 years ago
6 0

Answer:

D. A group of objects and materials that are interrelated

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A. amount of food available

Explanation:

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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.

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Answer:

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Answer:

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