The axon, or thin part of a nerve cell that branches off from the cell body, can be insulated with: *
Complex proteins
Blood plasma
Skeletal muscle
A fatty myelin sheath

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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.

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt