What boundary, the shearing forces of rock and create a what fault which moves

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

Wich organism obtains its energy from dead or decaying matter

Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.