The volcanic ground it the most fertile kind of soil.
This is why many people live around them, even whey those volcanos still activated, like in Hawaii.
Bul the volcanos lave came from the core of the earth, and with millions of ears the get inactivated, this means they don't explode.
I believe it's B . but if it wouldn't it would b C
Planes generally fly within the troposphere or lowest level of the atmosphere and which extends mostly about 6 miles vertically from the earth's surface but occaisonally up to 12 miles and it is where the clouds form within this sphere.
