The answer is B. They have become habituated to human contact.
Answer:
The answer is B. A book sitting on a high shelf.
Explanation:
Because the book is balanced, and something that is balanced stays balanced until you move it.
The enveloped virus make the cell think that they just found a jackpot of protein, only to find a virus inside to take over the system, like the trojan horse.
The answer is D, ADP gains a phosphate and that is used to convert to ATP with a product of ATP and water