Sagot :
Explanation:
3. they collide or spread apart allowing the very hot molten material called lava to escape from the mantle.
4. The mountains we have now would erode over a few million years, turning into low, rolling hills.
Explanation:
3. they collide or spread apart allowing the very hot molten material called lava to escape from the mantle.
4. The mountains we have now would erode over a few million years, turning into low, rolling hills.