Brainpop Struggles ;-; How are neurotransmitters different from the impulses that travel along the bodies of nerve cells?

A. The impulses are electrical; neurotransmitters are chemical. incorrect answer
B. The impulses travel at a faster rate than neurotransmitters. incorrect answer
C. The impulses send signals from the body to the brain; neurotransmitters send signals from the brain to the body. incorrect answer
D. The impulses occur constantly; neurotransmitters are released only occasionally.

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these

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.

What happens during interphase? (1)the nucleus grows to its full size. (2)the cell grows to its full size. (3)the nucleus divides into two nuclei. (4)the cell divides into two cells.