The ________ of old seafloor takes place at convergent boundaries.
A. erosion
B. destruction
C. creation
D. production
E. extinction
Answer: B
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On the windward side of the mountain, should the relative humidity of the parcel change as it rises from 3000 feet to 6000 feet? Why?
Assume that condensation begins at 100% relative humidity and that no evaporation takes place as the parcel descends.
What happens to different isotopes of oxygen in this figure?
A) Evaporation concentrates lighter isotopes in the resulting water vapor.
B) Precipitation forms ice that is enriched in heavier isotopes relative to seawater.
C) Melting of ice preferentially releases heavier isotopes back into the ocean.
D) All of these are correct.
In which of the following can hydrogen bonding occur?
A) in a pure acetone B) in a pure formaldehyde C) in a mixture of acetone and formaldehyde D) in none of these cases
"B" type climates generally occur
A. beneath sinking air. B. along the equator. C. along the Gulf Stream. D. near the poles.