1. Why is it important to treat wastewater? A. To remove harmful contaminants
B. To prevent the spread of disease
C. To replenish our supply of clean fresh water
D. All of the above

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Which pedigree symbol is used to represent a female carrier of a recessive x-linked trait? поө0 || save and exit submit

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