A. sulfide minerals minerals that have compounds made up of a carbon atom that is bordered by three oxygen atoms. b. oxides minerals minerals that contain an element combined with oxygenc. native element minerals compounds combined with the element sulfurd. carbonate min

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

What does the positioning of transcription factors determine?

Which structure in the cardiovascular system connect arteries to veins?