Secondary pollutants are created by

A) secondary industrial processes
B) reaction of primary pollutants in the atmosphere
C) mobile sources, such as automobiles
D) reaction of ozone with ultraviolet light


B

Environmental & Atmospheric Sciences

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Compare and contrast placental mammals, marsupials, and monotremes. What will be an ideal response?

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The physical and chemical processes involved in conversion of a sediment to a sedimentary rock are known as:

a. cementation b. lithification c. compaction d. crystallization

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Why is normal precipitation always slightly acidic?

A) Precipitation dissolved carbon dioxide to form carbomic acid. B) Nitrogen fixing bacteria form nitric acids which evaporate into the atmosphere. C) Sulfur dioxide from volcanic explosions combines with water to form sulfuric acid. D) Chlorine, in the presence of sunlight and hydrogen, is converted to hydrochloric acid.

Environmental & Atmospheric Sciences

Lake Vostock is a subglacial lake 3,700 meters (12,100 feet) below the ice surface in ________

A) Russia B) Alaska C) Greenland D) the Himalayas E) Antarctica

Environmental & Atmospheric Sciences