Is goan still changing?

sort of

Due to convection currents (the creeping of molten rock) underneath the Earth's crust that cause tectonic plates to move and push and pull against each other. Not surprisingly this movement affects...

The Grand Canyon is still changing because the Colorado River is still flowing through it and causing erosion to weather away the walls and floor of the Grand Canyon

yes it is i learned it in school

Why grammar not you use.