The greatest human impact on the carbon cycle has been through ______________
A) depletion of aquifers
B) combustion of fossil fuels
C) increased respiration of the exponentially growing human population
D) mining of limestone (calcium carbonate)
E) use of synthetic fertilizers
Correct Answer:
Verified
Q17: In all ecosystems energy is eventually lost
Q18: _ are composed of amino acids.
A) Proteins
B)
Q19: Choose the item that best matches each
Q20: Ecological modeling is most useful for studying
Q21: Cellular respiration _
A) involves a net consumption
Q23: When you burn a log in your
Q24: During the light reactions of photosynthesis, the
Q25: Biological nitrogen fixation (nitrogen fixation that is
Q26: The greatest source of water in the
Q27: Aquifers are _
A) large bodies of surface
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