Answer:
A
Explanation:
This showed that at one point all continents were joined
Answer:
A. runoff
Explanation:
Runoff is a consequence of over fertilization.
This can be dangerous because it could cause the Mother and the babies to get disabilities or die.
Answer:
The human population would eventually grow too large to be sufficiently supported by the food available.
Explanation:
He found that food production did not increase at an exponential rate but instead increased more slowly.
Answer:
Air pressure is caused by the weight of the air molecules above
Explanation:
Air pressure is caused by the weight of the air molecules above. Even tiny air molecules have some weight, and the huge numbers of air molecules that make up the layers of our atmosphere collectively have a great deal of weight, which presses down on whatever is below.
