Which statement best explains why storms intensify in the coastal region of North Carolina?

Why do you think the puppy litter was all dark-haired?

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

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime