An electron microscope would be used for if
a)a sample needed to appear lighter
b) a s...
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Biology, 21.06.2019 13:30
Ocean waves move up and down in circles, but transmit horizontally toward the shore.
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Biology, 21.06.2019 14:00
Eristics do scientists use to distinguish between organisms in different kingdoms
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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 21:30
Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?
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English, 07.05.2020 05:14
Mathematics, 07.05.2020 05:14
English, 07.05.2020 05:14
Physics, 07.05.2020 05:14
English, 07.05.2020 05:14
Physics, 07.05.2020 05:14
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Biology, 07.05.2020 05:14
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Mathematics, 07.05.2020 05:15