Which of the following occurs when a stimulus depolarizes a neuron's membrane to a membrane potential below the voltage threshold?

a. the action potential approaches zero.
b. the action potential stops spreading to the next dendrite.
c. the membrane potential changes from the resting potential to a more negative membrane potential.
d. the inside of the cell becomes less negative in charge relative to the outside of the cell.

Is snow a type of precipitation? explain why or why not.

Hurry i need your (100 points) 1) what are the responsibilities of the region of the brain highlighted below? (picture located below) the highlighted portion is at the rear base of the brain, behind the brain stem. regulating homeostasis, hunger and eating, thirst and drinking, and many other functions of basic survival. coordinating movement and balance by using information from sensory nerves, including hand-eye coordination. controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities. regulating important involuntary bodily functions such as blood pressure, heart rate, breathing, and swallowing. 2)which of the following systems or structures is correctly paired with its function? neurons - brain cells that control thoughts, calculations, and memory cerebral cortex - portion of the brain that controls involuntary body movement peripheral nervous system - carries impulses to and from the central nervous system central nervous system - carries information from the nerves to the muscles and glands

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.