Humans fix Nitrogen into the soil by ________
A) applying fertilizer
B) clearing the land
C) planting large tracts of land with corn
D) applying calcium carbonate
E) using fossil fuels
Answer: A
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Actor-network theory helps explain how, for example, the accordion has become central in polka, Cajun, chicken scratch and Tex-Mex music
Indicate whether this statement is true or false.
Which of the following terms applies to acid rain?
A. dry deposition B. wet deposition C. acid fog D. sour rain
Lithostratigraphic properties yield stronger time correlations than biostratigraphic properties
a. True b. False
What happens to the volatile components after any oil spill?
A) They sink to the bottom sediments B) They evaporate into the air. C) They form balls of tar in the wave action. D) They assimilate by organisms.