Answers: 3
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, 21.06.2019 20:40
Which of the following occurs after a natural or unnatural disturbance in an ecosystem
Answers: 1
Biology, 22.06.2019 09:00
This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.
Answers: 1
Biology, 22.06.2019 09:00
When a gasoline engine burns gasoline, what type of chemical reaction is occurring?
Answers: 1
The law ofexplains how traits are inherited through generations....
Mathematics, 01.12.2020 02:40
Mathematics, 01.12.2020 02:40
Mathematics, 01.12.2020 02:40
Physics, 01.12.2020 02:40
Social Studies, 01.12.2020 02:40
Social Studies, 01.12.2020 02:40
Mathematics, 01.12.2020 02:40
Biology, 01.12.2020 02:40
Mathematics, 01.12.2020 02:40
Social Studies, 01.12.2020 02:40
Computers and Technology, 01.12.2020 02:40