HELP PLS FOR BRAINLIEST :)

Jerry wants to consume no more than 45% of his calories from carbohydrates. calculate his requirement for calories from carbohydrates based on a 2,500 kcal per day intake.

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 the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a