On either side of a mid-ocean ridge, the lithosphere begins toa. rise because it becomes buoyant. b.sink because it cools and contracts. c.sink because convection pulls it downward. d.rise because it thickens away from the ridge.

Will give brainliest asaapppppppppppp plz im in a major hurry to finish which of these pairs of objects exerts the greatest gravitational force on each other? object 1 and object 3 object 4 and object 3 object 1 and object 4 object 4 and object 2