How does planting high-yield crop varieties make farming more sustainable?
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Biology, 28.05.2020 22:59 probablyacommunist
How does planting high-yield crop varieties make farming more sustainable?
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A. It keeps chemicals from entering the watershed.
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B. It increases the amount of water needed.
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C. It decreases the amount of land needed.
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D. It keeps soil fertility from diminishing over time.
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Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.
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