Which of the following is not a characteristic of quartz?

A. commonly occurs in six-sided crystals
B. hardness of 7
C. one direction of cleavage
D. conchoidal fracture
E. made up of SiO2


Answer: C

Environmental & Atmospheric Sciences

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A) renewable resource B) human resource C) cultural resource D) natural resource E) economic resource

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City A averages 2000 heating/cooling degree-days for the year and City B averages 3000. In which city would you expect to pay higher utility bills?

A) City A B) City B

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Evaluate this statement. "Glacial meltwater is milky white due to air bubbles trapped in the water."

A) This statement is true. B) This statement is false. The color is due to glacial flour in the water. C) This statement is false. The color is due to ice crystals. D) This statement is partially true, because the milky-white color is also due to ice crystals.

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Three basic classes of collisions include all but which of the following?

A. Oceanic plate versus oceanic plate B. Continental plate versus continental plate C. Oceanic plate versus continent-bearing plate D. Continental plate versus mantle plate

Environmental & Atmospheric Sciences