Which of the following atmospheric conditions are required for thunderstorms to occur?

A. rising air
B. hot, humid air
C. divergence of the air aloft
D. surface heating


Answer: A

Environmental & Atmospheric Sciences

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In 1968, an ecologist named Garrett Hardin published a paper describing the "tragedy of the commons," which he described as occurring when individual self-interest inevitably leads to overuse and abuse of a shared resource

Which of the following types of resources is the kind of shared resource that Hardin described in his paper? A) A renewable resource B) An economic resource C) A common pool resource D) A finite resource

Environmental & Atmospheric Sciences

Laterization is likely to occur in

A) humid and warm. B) dry climates. C) areas of high potential evapotranspiration rates. D) cold, wet climates. E) areas characterized by sandy soils and coniferous forests.

Environmental & Atmospheric Sciences

Which of the following rock types has the lowest silica content?

a. rhyolite b. andesite c. basalt d. gabbro

Environmental & Atmospheric Sciences

The Great Lakes and the Corn Belt region became known as the "Rust Belt" because

A) Decades after the invention of the automobile, large numbers of auto scrapyards and recyclers appeared around manufacturing cities so the iron and steel could eventually be reused. B) The large number of underground iron deposits that filtered into emerging underground springs gave the rocks of the region a yellowish-orange "rusty" tinge as it oxidized. C) The region used to be the hub of the rail system developed during WWII to move goods across America, but as shipping goods by truck and airplane became more prevalent, the system decayed leaving an iron skeleton of its former glory. D) The decay of the region's cities from deindustrialization, as steel mills and auto manufacturers moved to other parts of the world, and the resulting loss of population, increase in crime and chronic unemployment.

Environmental & Atmospheric Sciences