Mine drainage may contaminate waterways with

A) acidity, sulfates and heavy metals.
B) BOD wastes.
C) sediment.
D) nitrate and phosphate nutrients.


A

Environmental & Atmospheric Sciences

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Which of the following situations is most likely to result in formation of a covalent bond?

A) when an electrically positive species interacts with an electrically negative species B) when two nonmetallic elements interact to form a compound C) when two electrically negative species interact D) when two electrically positive species interact

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What is one characteristic of exurbs?

A. They are densely packed. B. They are often almost indistinguishable from cities. C. They lack a socioeconomic center. D. They typically have decaying infrastructure. E. They have relatively high crime rates.

Environmental & Atmospheric Sciences

Which of the following is the most reasonable conclusion based on the data in the figure?

A) Forest fires and fossil fuel combustion are increasing atmospheric carbon dioxide concentrations. B) There is a great deal of uncertainty in measurements of global atmospheric carbon dioxide levels. C) Carbon dioxide molecules multiply themselves over time. D) Average annual atmospheric carbon dioxide concentrations have been increasing since 1960.

Environmental & Atmospheric Sciences

Materials deposited during a lengthy pause in glacial retreat are known as ________.

A) terminal moraines B) recessional moraines C) lateral moraines D) eskers E) till plains

Environmental & Atmospheric Sciences