Since the earth spins at 1,000 mph, then if I jump will I be going at 1,000 mph?

What is drought? what problem can cause?

Write a short paragraph of about 150-300 words. explain how the physical environment can limit human activities.

Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal