Aircraft icing would be heaviest and most severe ____ freezing temperatures
A) in a cloud at warmer than
B) in a cloud at just below
C) in a cloud at well below
D) outside a cloud at below
B
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Fires on the Cuyahoga River raised concerns that contributed to ________
A) the formation of the U.S. Food and Drug Administration B) the passage of the federal Water Pollution Control Act C) a regulatory taking of many of the industries along the river and its tributaries D) laws requiring the separation of sewage and storm water in cities E) the passage of the Federal Water Pollution Control Acts and the Clean Water Act
The "precautionary principle" in international law
A. gives the United Nations the authority to impose sanctions against nations whose actions may be harmful. B. allows for restriction of countries' activities before irrevocable harm has been documented. C. requires all nations to cease producing and releasing pollutants. D. All of the choices are correct.
More than half the ________ in the United States and Canada has/have been lost to urban and agricultural development, but the recent ________ subsidizes landowners to restore or protect remaining areas
A) swamps; Swamp Lands Acts B) wetlands; Wetlands Reserve Program C) biodiversity; Agricultural Biodiversity Trust D) cropland; Cropland Reserve Program E) marshes; Malaria Eradication Act
?Match the atmospheric term with the correct description.
A. ?lowest layer of air, just above the earth's surface B. ?layer of air found above the stratosphere C. ?all the gas surrounding the earth D. ?layer of air between 11 and 30 miles above the earth's surface E. ?keeps about 95% of the sun's harmful UV radiation from reaching the earth's surface