Honestly it would be the Exosphere<span> but since that's not one of the choices it would be the Thermosphere. </span>
ANSWER:
D
EXPLANATION:
Both of their temperatures stay about the same throughout the experiment.
Answer: A. False, it should read “If a point mutation occurs in a tumor suppressor gene it can become inactivated. This allows the rate of cell division to increase unregulated.”
Explanation: I already know this for a fact.
C.tt is the correct answer