________ and ________ are chemical weathering products created in many metal and coal mining regions and pose serious environmental hazards

A) Carbonic acid; slag
B) Nitric acid; coal dust
C) Hydrochloric acid; bicarbonate
D) Sulfuric acid; iron oxide


Answer: D

Environmental & Atmospheric Sciences

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The Linnaean system of classification is ________

Fill in the blank(s) with the appropriate word(s).

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Earth’s ocean and sea divisions, such as the Pacific and Atlantic Oceans, are but temporary features of a(n)

____________ world ocean. Fill in the blank(s) with the appropriate word(s).

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What is perestroika?

A) greater openness, a policy in the 1980s that encouraged several republics to demand independence B) planned economic restructuring, an early move toward a freer market C) a policy of education improvement, in the last days of the former Soviet Union D) the Russian word for railroad E) a type of permafrost found around Glasgow

Environmental & Atmospheric Sciences

The higher the Air Quality Index, the better the quality of the air

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences