I think it is natural selection. genetic variation also could be a factor for physical variation over the years.
I believe it is watermelon
For an alternative the answer is Tylenol or Advil
Something coming easily or seems obvious, not being a valuable commodity to someone else is false.
<h3>
What is Commodity?</h3>
This is a type of resource which is used for economic and commercial activities.
The value of a commodity is dependent on its worth in the market and not on the conditions in which it was found which is why false is the most appropriate choice.
Read more about Commodity here brainly.com/question/17242780
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The answer is B: fat gives your body energy to function, while muscle mass is used only to perform strenuous activity. This option is only correct because the statement includes the words, "muscle mass." If it was only "muscle," then it would be wrong.