I would choose D as they both have weather greatly effected by mountain ranges although A my seem like the answer some southern regions of the Midwest are very hot.
Volcanic soil has a lot of minerals that plants take in as nutrients.
By breaking into a free nation
The answer to this question is B.) China and India. China has apporiximently 700,000,000 people and India has approximently 500,000,000 people. Making up for 36% of the worlds population.
Canada and Mexico . are the two countries