What type of mountain is predominate in the sierra nevada range?

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

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

What is the process by which biological parents pass traits such as hair type or eye color to their children