Answers: 1
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 00:00
How does the study of genetic disorders such as pku biologists understand normal alleles?
Answers: 1
Biology, 22.06.2019 02:00
Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.
Answers: 3
Biology, 22.06.2019 03:00
Wich organism obtains its energy from dead or decaying matter
Answers: 1
Several species of birds live in a forest that has been wiped out by a forest fire.
Which species i...
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