Which kind of map would be used to show population density in the countries of the world?

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

Look at the photo i can’t do geography

What border separates sonora and chihuahua national border state border physical boundary natural boundary