On cloudless nighs, heat escapes from our planet and goes into empty space is an example of convection.
Sedimentary rocks are the result of igneous rocks<span> breaking down.This is a slow process so there is not as much broken down as there is not broken down.</span>
Be heavier
density=mass÷volume
if two items have the same size they have the same volume so the heavier one will be the denser one
