Coal contains only minute quantities of radioactive materials, yet there is more environmental radiation surrounding a coal-fired power plant than a fission power plant. This indicates that
A) the coal-fired power plant's radiation shields need to be strengthened.
B) the coal-fired power plant has been contaminated.
C) the coal-fired power plant contains none of the radiation it releases.
D) the news media is biased in its coverage.
C
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You have been hired by a rapidly growing small city to improve the air quality, which has deteriorated in the past 10 years. Your first suggestion is to ________
A) investigate the large city downwind whose factories produce large amounts of pollution B) improve transportation options, including carpool lanes, buses, and light rail C) remove the hydroelectric dam on the river D) move or close the cattle feed lots near the river E) decrease the amount of CFCs used locally
The first symptom of range overgrazing is usually
A. The compaction of soils B. The disappearance of palatable plant species C. Desertification D. Gullying E. The absence of trees
Sometimes formations on land can shed light on ocean processes. What do the White Cliffs of Dover
in England show? a. An accumulation of very fine ooze of mixed origin that was pushed above sea level from plate tectonics. b. An accumulation of siliceous ooze that has risen above sea level from plate tectonics. c. A lithified calcareous ooze that was pushed above sea level from plate tectonics. d. A sheared cliff that formed during sea floor spreading
Marine communities evolve more rapidly than terrestrial communities
Indicate whether the statement is true or false