Answers: 2
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 04:00
1) strawberry plants typically reproduce by making runners, which are miniature versions of themselves, that grow off of the roots and stems of the parent. this type of vegetative reproduction is known as a) pollination. b) fragmentation. c) binary fission. d) vegetative propogation.
Answers: 2
Biology, 22.06.2019 06:30
Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%
Answers: 1
White blood cells engulf bacteria by means of what?...
Arts, 26.03.2021 19:00
Mathematics, 26.03.2021 19:00
Mathematics, 26.03.2021 19:00
Mathematics, 26.03.2021 19:00
Health, 26.03.2021 19:00
History, 26.03.2021 19:00
Mathematics, 26.03.2021 19:00
History, 26.03.2021 19:00