Groundwater is found in pores of soil and rock,
O True
O False...
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Biology, 21.06.2019 20:00
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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Biology, 21.06.2019 23:50
Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?
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Biology, 22.06.2019 03:30
Describe how a student should adjust the microscope to see the cells on a slide more clearly?
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Biology, 22.06.2019 08:30
Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes
Answers: 1
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