Which scientist first proposed physical laws to mathematically describe the effect of forces on the motions of bodies?

From the perspective of an employee that effective channeling of work related information and concerns

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false

Ihave this 50 question test the layer of earth's atmosphere where atoms and molecules escape into space is referred to as the a) exosphere b) ionosphere. c) mesosphere d) thermosphere