Earth's size and composition led to volcanic activity, which, in turn, had a major impact on earth's

Climate. When a volcano erupts it puts debris in the air which cools the earth.

Or you could say outcome. we have evidence that there was, at one time, a massive volcanic eruption that covered the whole earth killing everything in the process. Than life began to redevelop. 

If football was tossed in air without gravity or friction the ball would go into space