According to the general circulation of the atmosphere:
a. air sinks at the equator

b. air rises at the equator.
c. air rises at the north and south poles.
d. None of these choices.


b

Environmental & Atmospheric Sciences

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When populations approach their carrying capacity, their resources ________

A) become more scarce and growth rate approaches zero B) increase because populations are decreasing C) increase in supply but are less accessible D) are not a concern as they are usually infinite in supply E) decrease in supply but are more accessible to competitors

Environmental & Atmospheric Sciences

Two-thirds of all mercury reaching the atmosphere every year comes from.

A. volcanoes B. rocks and soil. C. toxicology studies. D. industrial facilities. E. methyl mercury.

Environmental & Atmospheric Sciences

Which of the following is the parent rock of quartzite?

A) Limestone B) Conglomerate C) Granite D) Sandstone

Environmental & Atmospheric Sciences

Complex computer models have been used to model atmospheric temperature from 1900-2000.  At which year, and from this point forward, did the model result not match the observed data using only natural factors?

A. 1900 B. 1950 C. 1995 D. 1975

Environmental & Atmospheric Sciences