Salutations!
<span>Which would have a smoother shape, a young mountain plain, or an old mountain plain?
An old mountain plain would have a smoother shape because it has more erosion and less breaks off cliffs.
Hope I helped!</span>
Answer:
A. Magma rises from the mantle.
The first one, valleys. Rivers had to be built over, no one wanted their farms to be turned into a railroad (or at least those with common sense), and deserts had no water and was really hot during the day and cold at night.
Answer: a common language, history, or place of orgin.
Explanation:
Answer: it is the rock formed within the rocks crust.
Explanation: Rocks formed from magma are called igneous rocks. Intrusive igneous rocks form when magma cools inside the Earth. Rocks that form from magma erupting onto the Earth's surface are called extrusive igneous rocks. Extrusive igneous rocks have little to no time to crystallize and, as a result, the crystals are very small or microscopic.
