Which energy source has the lowest net energy yield to produce electricity?
A. nuclear
B. coal
C. geothermal
D. natural gas
Answer: A
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Which conditions are correctly listed below in regard to the formation of lake effect snows?
A) Area A is colder than area B with an stable atmosphere.
B) Area A is warmer than area B with an unstable atmosphere.
C) Area B is colder than area A with an stable atmosphere.
D) Area B is warmer than area B with an stable atmosphere.
What 1969 disaster in Southern California prompted the organization of the first Earth Day in 1970?
A) The 100th death in Los Angeles due to air pollution. B) A trash dump catching fire. C) An off-shore oil spill. D) A massive river fish kill.
The sinking air of the subtropical highs produces a “dry belt” around the globe
a. True b. False
After data have been analyzed, tentative explanations or solutions called ________ may be proposed.
A. a concept that has been tested reproducibly and is likely to be true B. hypotheses C. a proven law of nature D. a guess E. an observation of a phenomenon