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 06:30
In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power
Answers: 1
Biology, 22.06.2019 09:50
Which of the following describes the difference in stimuli required to detect a difference between the stimuli? a. just noticeableb. signal detectionc. subliminald. top down
Answers: 2
True or False?
Palisade mesophyll cells are columnar leaf interior cells dense with chloroplasts....
Mathematics, 17.02.2021 02:40
Mathematics, 17.02.2021 02:40
Mathematics, 17.02.2021 02:40
Mathematics, 17.02.2021 02:40
Mathematics, 17.02.2021 02:40
Mathematics, 17.02.2021 02:40
Mathematics, 17.02.2021 02:40
Mathematics, 17.02.2021 02:40
Mathematics, 17.02.2021 02:40
Mathematics, 17.02.2021 02:40