The network diagram is a planning method that is designed to depict the relationships between activities. True or False

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

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Which statement best compares aerobic and anaerobic respiration