Quartzite generally forms from the metamorphism of pre-existing ___.

a) limestone
b) dolostone
c) quartz sandstone
d) quartz monzonite
e) granite


Answer: c) quartz sandstone

Environmental & Atmospheric Sciences

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If you typically consume large amounts of processed foods, and certain wines, which category of chemical hazard is introduced into your system?

a. mutagen, because of the nitrites b. carcinogen, because of the nitrites c. teratogen, because of the nitrites d. mutagen, because of the phosphoric acid e. carcinogen, because of the high fat content

Environmental & Atmospheric Sciences

Electricity

A. can be converted to a fossil fuel. B. is difficult to transport. C. is a valuable form of energy since it can be used for many purposes. D. is primarily produced from wind, solar, and other renewable technologies.

Environmental & Atmospheric Sciences

High levels of ____ could indicate life on other planets

a. free nitrogen b. carbon dioxide c. free oxygen d. bound nitrogen

Environmental & Atmospheric Sciences

What types of clouds help produce halo when the sun shines through them?

A) cumulonimbus B) cirrostratus C) altocumulus D) stratus

Environmental & Atmospheric Sciences