Answer:
Population growth is a problem.
Explanation:
Population is a problem because we have to worry about if we have enough resources to support them and there has been a scientific study done that proves more carbon dioxide is put into the air which doesn't help with air pollution.
It's made up of silicate minerals. aluminum and granite, the types of silicate minerals are quarts, micas, and feldspars.
Convection then mantle
Z is the mantle
