Heavy metal water pollution includes ____.

A. bacteria, viruses, and parasites
B. nitrates and phosphates
C. lead, mercury, and arsenic
D. acids
E. oil, gasoline, plastics, and pesticides


Answer: C

Environmental & Atmospheric Sciences

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Stream valleys are produced through combined effects of mass wasting and running water. If running water alone were responsible for creating stream valleys, how would they appear?

A) Wide valleys with flat bottoms B) V-shaped valleys C) Narrow valleys with vertical walls D) U-shaped valleys

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The light-colored heavily cratered areas that often occur at higher elevations on the Moon are known as the

A. lunar mare. B. basins. C. terraces. D. lunar highlands.

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Which best describes the intrinsic motion of stars?

A) their circular motion across the sky in a 24-hour period B) their apparent yearly cycle around the Sun, due to Earth's revolution C) their motion relative to all other bodies D) their motion relative to Earth

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Which of the following is best described as neoliberalism?

A. Tax and spend policies toward improving quality of life of a nation's populace. B. Strict government planning of the economy to improve economic growth. C. New non-market activities geared toward improving the standard of living. D. A belief that the market is the efficient mechanism in which to allow society to develop.

Environmental & Atmospheric Sciences