Which of the following are characteristics of heterogeneous mixtures

A. distinguishable components

B. evenly distributed components

C. particles too small to be seen with a microscope

D. components in varying proportions

E. particles that may settle

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory