I'm pretty sure the answer is D but it's been a while since I've studied this. 95% sure it's D though :)
The answer is (s.) 1-2 centimeters. Every year, plates under the ocean move approximately 1-2 centimeters. This movement is the earthquake under the ocean and can also be called Submarine earthquake when the intensity goes high. This movement can lead to tsunamis.
Yes topaz is natural and formed and earth.
“The southern portion of the Pacific coast—particularly southern California—can be influenced by maritime tropical air masses, abbreviated mT. These warm, moist air masses originate in the subtropical Pacific Ocean. They may bring fog or low clouds with them.”
