I think that this would be carbohydrates, I'm not completely sure though.
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A testable question is something you need data for, ex: if i bounce a bouncy ball from larger heights, how high will it fly? it can't be just a regular yes or no question
Answer:
Explanation:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.
ORR
Struggle for existence, variation and inheritance. These are said to be the necessary and sufficient conditions for natural selection to occur.
Answer: They compare the number of mutations to determine how long ago species separated and evolved.
You're welcome!
Hi i might be late but it’s B i hope i helped!
