Amyelin sheath is

a. large band of neural fibers connecting the two hemispheres of the brain.
b. fatty tissue layer encasing the axon of a nerve cell.
c. bushy extension of a neuron that conducts impulses toward the cell body.
d. nerve network within the brainstem that controls physical arousal.

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic

Adepositional also feature that forms where a stream enters a lake or an ocean is a