The energy made from the movement of molecules is called energy. A
geothermal

B
chemical

C
potential

D
kinetic

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

Any sound above what db can cause hearing loss in human beings

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi