Which list of words describes an action potential? a. all or none, neurotransmitters, membrane potential
b. membrane potential, neurotransmitters, electrical signals
c. electrical signals, all or none, neurotransmitters
d. all or none, membrane potential, electrical signals

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a. earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c. earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called