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, 21.06.2019 20:00
Why do carbohydrate molecules function so well as fuel for the body?
Answers: 1
Biology, 22.06.2019 02:00
The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.
Answers: 2
What body system is most affected by hiv and aids?...
Mathematics, 03.07.2019 01:40
Mathematics, 03.07.2019 01:40
Mathematics, 03.07.2019 01:40
Mathematics, 03.07.2019 01:40