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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
Answers: 1
Biology, 22.06.2019 02:00
Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones
Answers: 2
Biology, 22.06.2019 02:00
Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?
Answers: 3
Biology, 22.06.2019 05:30
2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.
Answers: 2
Computers and Technology, 06.03.2020 21:58
Mathematics, 06.03.2020 21:58
Social Studies, 06.03.2020 21:58
Mathematics, 06.03.2020 21:58
Social Studies, 06.03.2020 21:58
Mathematics, 06.03.2020 21:58
Mathematics, 06.03.2020 21:58
Mathematics, 06.03.2020 21:58