Which region of the United States is described below?" .
humid continental climate
coastal cities
megalopolis
historical colonial settlements
.

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution

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