Currently, renewable energy provides about percent of the world's energy needs. Two factors that must be considered during a switch to a reliance on renewable energy are and . *

It is evolution, because we all have some of the same traits like eye color or shape or ears.

Ibelieve the answer is relative humidity  because it makes more sense that way. solar flares usually occur in space it doesn't affect the earth, well it could but it wont make a significant damage.  latitude is land it doesnt do anything. prevailing winds, i dont know the correct meaning for this but i doubt that affects the land so it has to be relative humidity.