At the current rates of use, the United States has enough coal to last the next

A) 20 years.
B) 40 years.
C) 100 years.
D) several centuries.


D

Environmental & Atmospheric Sciences

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When the mineral assemblage of a rock changes due to high temperature and pressure, the rock undergoes

A) crystal deformation. B) secondary metamorphism. C) recrystallization. D) all of the above

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A stream's load consists of all of the following except

A) dissolved load. B) suspended load. C) float load. D) bedload.

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The automobile is the primary source of this pollutant.

A. carbon monoxide B. particulate C. sulfur dioxides D. All of the choices are correct.

Environmental & Atmospheric Sciences

As economic development increases, birth and death rates decrease.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences