I would say A-lowland of the South
If the rains fail it can cause<span> drought in addition to natural factors, the land is marginal. Human activities such as overgrazing, overcultivation and the collection of firewood can lead to desertification, particularly when combined with drought conditions. hope this helps and plz rate below :)</span>
<span>The right answer is B - American agriculture is best suited to the use of large plowing and harvesting equipment. American harvesting is so called because it was a system devised by the settlers in America that allowed them to provide large amount of food, making the most of the seemingly unlimited space that they now had access to.</span>
A planetary nebula is a (ring-shaped) type of nebula formed by an expanding shell of gas around an aging star. *a planetary nebula is a type of nebula*. im not completely certain though. i might be wrong.
The answer is the Midwest
