Which of the following resources are in high demand due to large human populations? A) oil
B) trees
C) water
D) all of the above

Match the type of region in column 1 to the example in column 2 functional region: functional formal perceptual example: the united states of america the slums of detroit the houston metropolitan area

How can minerals crystallize from materials dissolved in water? check all that apply.

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