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.
Since neither reptile could have swum great distances across salt water he inferred that they once lived on a single landmass that has since split apart.
The sediments that is composed of mineral grains that are
eroded from the continental rocks is called terrigenous. The terrigenous
sediments are obtained from the erosion of rocks that occurs on land and that
they are being stored in the submarine canyons.