The correct answer is:
Plate tectonic theory
I am an online student, this was a question on my quiz and I got it right.
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Also, to the member above me who also gave the correct answer, Good job!
Your brain sends signals to your body to release hormones that make you tired. This is done as a routine, and trying to sleep at different times will mess it up.
Hope this helps!
B) Physiological because C is relating to the inside of the organism, A is relating to the forming part of a building or another item and D is reacting to their physical surroundings, so the only other answer would have to be B because in physiological in animals and humans alike, they change something of their physical self's to attain to the environment around them.
Answer:
frequency of action potentials
Explanation:
