___ occur(s) when the Earth comes out of an ice age. A. Global cooling
B. Solar flares
C. Global warming
D. Axis movement

How much of the united states’ electric generation comes from coal? a. about 25% b. about 50% c. about 75% d. about 90%

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Why did macarthur want to invade china? why did truman oppose this?