Which layer of the atmosphere is the hottest?

A) troposphere

B) stratosphere

C) mesosphere

D) thermosphere

D

Explanation:

It extends from 80 kilometers above the surface of the Earth up to 600 kilometers and can heat up to 1,500 degrees Celsius because it’s very sensitive to solar activity.

equal distribution i think.

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d