Answer: thermosphere is the layer of the earth's atmosphere directly above the mesosphere and directly below the exosphere while mesosphere is layer of the earth's atmosphere that is directly above the stratosphere and directly below the thermosphere.
Luzon straight is the Island that lies in between the south chin sea and the pacific Ocean
Answer: The answer would be B.
Explanation: Lines of longitude are imaginary lines in Geography that run vertically (up and down). Since these lines are travelling from North to South, the answer must be B.
Wind erosion is the main cause. And since it is the desert that wind can pick up tiny sand rock particles that slowly grind against the rock. Over time the erosion will give a jagged rock the smooth features as if it had been submerged in a river for the roughly same period of time.