The intense heat in the earth's core that causes molten rock in the mantle layer to move.
I’m not sure sorry I really wish I could help
As the rollercoaster goes up. kinetic energy changes to gravitational potential energy. When it moves back down, gpe changes back to ke.
6 is between 3 and 4 or 3.5 7 is 7.5 and 8 is buggy 1 will win and buggy 1 will have to wait 31.5
