The Vostok ice core provides direct measurements of all the following except ________.

A. temperature
B. methane
C. dust
D. carbon dioxide


Answer: A

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false.

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What is a disadvantage of using tidal power?

A) It has high operating costs. B) It requires a large amount of man power. C) It cannot sustain the world's needs. D) It adds pollutants to the air.

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The Trash Track project ________

A) monitors the movement of trash items to improve efficiency of management processes B) allows cities to charge polluters who dump large volumes of trash C) tells managers which items should be recycled D) monitors the amount of hazardous items in municipal waste E) measures the volume of various categories of municipal waste in various cities

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Green building approaches reduce the ecology footprint of buildings through use of ________

A) fossil fuels B) imported natural materials C) sprawl D) brownfield sites E) materials with low embodied energy

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