If earth was not spinning there would be no

a. diurnal cycle
b. seasonal cycle
c. insolation
d. albedo

It's D --> Diurnal cycle

Explanation:

Actually, if the Earth's rotation stopped completely (not just "synchronous rotation") there would be a day-night cycle. The periods of light and dark would typically be 6 months long.

Also, there would probably no longer be the Earth's magnetic field.

Also, the ocean tides would (more or less) stop.

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.