True
As contour lines create a water break which reduces the formation of rills
Metamorphic rocks form underground, igneous rocks form as lava cools (usually on the surface) and sedimentary rocks form by lakes and oceans.
I think on the surface.
a gas that contributes to the greenhouse effect by absorbing infrared radiation, e.g., carbon dioxide and chlorofluorocarbons.
The answer is B hope it helps :)