Hile sitting in his backyard, john is bitten by a mosquito near his elbow. the spot becomes red, swollen, and slightly warmer than the surrounding area. this is an example of what process?

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

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment