D. Silicon is the correct answer.
Because of the crazy large population.
Answer:
What is the question being asked?
Explanation:
Answer :A
“As a cold front moves into an area, the heavier (more dense) cool air pushes under the lighter (less dense) warm air, causing it to rise up into the troposphere. ... As the cold front passes, winds become gusty. There is a sudden drop in temperature, and also heavy rain, sometimes with hail, thunder, and lightning.”
The tropics get more rainfall than on the other places on earth because more evaporation takes place in the tropics.
