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.
There are three kinds of plate tectonic boundaries<span>: </span>divergent<span>, convergent, and transform </span>plate boundaries<span>. So your answer is false !</span>
Answer:
<em>B. or D. (I'm leaning towards D.)</em>
Explanation:
<em>Moving plates can cause earthquakes and other internal quake disasters. Such as volcanic eruptions. They can also form mountains creating new terrain.
</em><em>~ LadyBrainiac</em>
