How do the physical features help explain the number of cities?

Awatershed is a piece of land that drains water into a particular stream, lake, or river. which of the following factors often negatively impacts the water quality in a watershed? a.) wetlands b.) pollution c.) irrigation d.)rainfall

Most countries in the middle east must import a majority of their a. gasoline b. oil c. food d. water

What events caused the united states to intervene in southwest asia?