The waves travel across the ocean out of the area where the wind is blowing. Wave approaches the shore it touches bottom, and the base is slowed down, the water at the top of the wave moves faster, and causes the wave to break.
The coast of california on the western side of the state has a moist climate, while eastern side is a desert. it could cause the difference in: c. the west side is closer to the equator than the east.
