Which mineral will not scratch quartz?
a. talc
b. topaz
c. diamond
d. corun...
Biology, 30.01.2020 08:06 kobiemajak
Which mineral will not scratch quartz?
a. talc
b. topaz
c. diamond
d. corundum
Answers: 3
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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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Organize the word parts according to where they appear in a medical term.
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