Coastal regions are often affected by abrasion. what processes would cause increased abrasion along a coastal region.

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

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Name the types of burns one can get and which structures of the integument are damaged