Power is a function of voltage times the volume of electrons (current). Power is the ability to do work and is measured in Watts. The higher the voltage the more power you have with the same current.
Acid rain threatens the world's food supply.
Acid rain is a global issue.
Answer
Picture if there was a pole that went through The middle of the earth verticaly. The tilt it slightly to its side. That is how the earth would rotate, on the pole.
I am sorry if this does not make any sense. I hope I explained it well enough.
Greatest number of major hurricanes making landfall in U.S.