Geographers Frank and Deborah Popper have proposed that in the future, much of the Great Plains should be taken out of agricultural production and instead used for what?
A) A separate homeland for Native Americans
B) A huge grassland habitat for restored herds of buffalo
C) To open the area up for the mining of oil from deep shale reserves
D) For the development of wind farms
B
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____________ are huge rotating masses of low-pressure in which winds converge and ascend. Fill in the blank(s) with the appropriate word(s)
If you pile up dry sand, it will always have a slope angle of about 35 degrees? What is this angle
called? a. dip slope b. dip angle c. angle of repose d. angle of inclination e. angle of declination
What happens to material that is hotter than its surrounding material deep within the Earth?
A. The hot material moves slowly down toward the core. B. The hot material slowly moves up toward the surface. C. Nothing. The hot material doesn't move at all.
The area of the ocean that produces the largest standing stock of commercial fish is in the ________
A) coastal areas B) bathypelagic zone C) mesopelagic zone D) tropical areas E) upwelling areas