What is the main reason that earth is warmer at the equator than at the north and south poles?

a) glaciers at the poles keep temperatures in those regions low.
b) the sun's rays do not reach the poles.
c) the sun's rays hit the planet more directly at the equator.
d) strong prevailing winds blow throughout the year at the poles.

Select the correct answer from each drop-down menu. this map shows how climate change might affect precipitation patterns in the great plains of the united states by the end of this century. brown shows a decrease in precipitation, and blue shows an increase. the maps differ based on the predicted levels of greenhouse gas emissions. the maps show that northern areas should get . southern areas will likely get . to use these maps to prepare for natural disasters in the great plains, scientists need to ask, ?