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Explain how gas exchange takes place in the alveoli of the lungs?
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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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Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided
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Explain how gas exchange takes place in the alveoli of the lungs?...
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