Abit of matter that enters earth's atmosphere and survives to reach the ground is called

The process by which liquid water changes into water vapour is called what ?

The ethnic conflicts in darfur have led to an attempt to destroy a whole people known as

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.