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Look at the picture below . what does this picture represent ?
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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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Match with o for organic and i for inorganic for each compound
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Biology, 22.06.2019 03:30
Which type of respiration takes place when there is no oxygen present
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2. Sunlight is needed for photosynthesis in plants because:...
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