A graph of atmospheric carbon dioxide concentration over time is shown. Scientists are investigating the cause of the large increase in atmospheric
carbon dioxide concentration since about 1800. Which of the following provides the best explanation for the increase of carbon in our atmosphere?
A. Frequent eruptions of large volcanoes
B. Naturally occurring fluctuations of in the carbon cycle
C. Utilization of fossil fuels by humans for industrialization
D. An increase in the sea level due to melting of ico
Answers: 2
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Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems
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Biology, 22.06.2019 13:20
Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing
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A graph of atmospheric carbon dioxide concentration over time is shown. Scientists are investigating...
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