Question

If divergent plates cause new land to be added to the Earth, why doesn’t the earth

just grow and grow and grow?

Answer 1

Because divergent and or convergent plates make mountains and volcanos and stuff like that .

Answer 2

New crust is continually being pushed away from divergent boundaries, increasing Earth's surface. But the Earth isn't getting any bigger. What happens, then, to keep the Earth the same size? The answer is subduction.

Step-by-step explanation: