The inner core is solid because it is made of very dense, or heavy, materials - like iron and nickel. Even though it is very hot, these materials don't "melt" very easily, so they stay solid. Also, pressure due to the weight of the mantle and crust, atoms are forced together as solid.
I believe the correct answer from the choices listed above is option B. Igneous rocks are formed when molten material in the earth cools and hardens to form rocks. These rocks are formed by the solidification of magma or lava. It can happen below or on the surface of the Earth.
Answer:
From a state of endangerment, many languages become extinct. When the speakers of a language are exterminated as what happened to Tasmanians in the 19th century, several languages suddenly died. Another reason for the extinction is the pressure exerted on a community to incorporate with a more powerful or larger group.
When the rocks are exposed, erosion begins
Answer:
teach visitors to recycle
Explanation:
