What do you think would change in
Greece and Italy with so many refugees?

What are some of the impacts of humans on the earth?

Tides are caused by a differences in the gravitational force of the sun at different points on earth. differences in the gravitational force of the moon at different points on earth differences in earth’s gravitational field strength at different points on earth’s surfac fluctuations in the gravitational attraction between earth and the moon.

Where is the only active diamond mine in the u.s.?