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What evidence do scientists offer to support their idea that the african elephants are two different species?
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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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Which sequence correctly shows the path of carbon dioxide during repiration?
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Ais a group of individuals of the same that exist together in the same place at the same time
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What evidence do scientists offer to support their idea that the african elephants are two different...
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