Answer:
Convection currents push up on parts of the plate. Then gravity pulls on those areas, bringing them downward. And, as these areas move lower, the ridges then push the plates away and outward.
Explanation:
I took the quiz
The Rift Valley was formed by violent subterranean forces that tore apart the earth's crust.
New Zealand has had a three decade anti-nuclear campaign so it's safe to assume they are.
Answer:
The dead sea is shrinking, and as it recedes, the fresh water aquifers along the perimeter of the lake are receding along with it. As this fresh water diffuses into salt deposits beneath the surface of the shoreline, the water slowly dissolves the deposits until the earth above collapses without warning.