What happens to new oceanic crust at a mid-ocean ridge?
a. it forms new mountains under the water
b. it climbs up the mantle to form a trench
c. it gets hotter and sinks into a trench
d. it is so dense that gravity puls it into a deep-ocean trench

What is the main conflict in marriage is a private affair

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.

The orbits of planets around the sun are slightly? or oval shaped?