Question

Define folding,faulting and volcanic activity

Answer 1

Should i define folding or fold mountains?
FAULTING- A break in the continuity of a body of rock or of
                    avein, with dislocation along the plane of the fracture
VOLCANIC ACTIVITY - An opening in the earth's crust from which molten lava, rock fragments, ashes, dust, and gases are ejected from below the earth's surface.