Of the biogeochemical cycles, which have been interfered with by the actions of humans, which is thought to be likely to have the most far-reaching effects on the biosphere?

A) Oxygen
B) Nitrogen
C) Carbon
D) Water
E) Copper


Answer: C

Environmental & Atmospheric Sciences

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A light-colored, coarse-grained banded metamorphic rock would most likely be a:

a. granite b. schist c. slate d. gneiss

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The frequency of reported tornadoes would be favored by all the conditions EXCEPT

A. north south mountain chains. B. proximity to a supply of warm moist air. C. sophisticated detection ability. D. upper level wind shear.

Environmental & Atmospheric Sciences

Cirrocumulus are low level clouds

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

What happens to thermal gradient in the atmosphere moving upward from the surface and toward outer space?

A. The gradient is such that temperature increases continuously. B. The gradient varies depending on the altitude. C. The gradient is such that temperature decreases continually.

Environmental & Atmospheric Sciences