Which is one factor that contributes to the formation of polar, temperate, and tropical zones? A.)the angle of the Sun’s rays
B.)the direction of seasonal winds
C.)the presence of prevailing winds
D.)the movement of wind near a mountain

A, angle of the Suns rays

Explanation:

a majority of climates are determined by relative location to the equator, which is the hottest part of the planet.

this protocol provides a detailed procedure for agarose-based ip to purify and enrich the protein of interest.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.