Many governments are starting to ban chemicals in sunscreen that are harmful to coral. Here in Florida the city of key has already passed a low banning them.

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

Why do carbohydrate molecules function so well as fuel for the body?

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above