Organic pollutants called ________ are showing up in many different places worldwide, far from their original source. This has led to a widespread movement to ________.
A. Mobile organic pollutants; reduce the use of twelve of them
B. Persistent organic pollutants; make them less persistent
C. Persistent organic pollutants; reduce the use of twelve of them
D. Persistent organic pollutants; ban twelve of them in developed countries
E. Mobile organic pollutants; ban twelve of them worldwide
Answer: D
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A) Methane B) Water vapor C) Nitrous oxide D) Carbon dioxide
Squatter towns are often dangerous places to live because the land they are on is commonly
A. Close to new building construction zones B. Unstable, polluted, or near industrial sites C. Close to major highways D. In the densest parts of the city E. Owned by powerful political figures
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________ is the smallest of the inner four planets and closely resembles our moon.
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