Answer:
waxing and waning crescent
Explanation:
As the baby grows and develops the cellular level rises. They grow in Length and in width!
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I think the correct answer from the choices listed above is option B. Extrinsic motivation is compelled by one’s own enjoyment. It is a behavior or response that is driven by external rewards so it will really depend on the individual. Hope this answers the question.<span />
The answer is A, 'a mammal' because it goes with the copulative verb 'to be', i. e., 'is'.