Compare the tailpipe emission of an HEV with a car that has only a gasoline engine.

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

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

In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as