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Biology, 21.06.2019 20:00, zaratayyibah
Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data
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Twind is considered to be an abiotic factor because it.?
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Biology, 22.06.2019 02:30, arelyhuerta
Contrast how pollination is different among gymnosperms and angiosperms.
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Biology, 22.06.2019 03:30, queenkimm26
All vaccination should(nβt) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence
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