D. a change in color of a substance
The molar mass of carbon (C) is 12.0107 u.
I think that it's cannot include supernatural explanations, or C.
If i got it wrong sorry
Landslides and slumps are forms of mass movements. Types of erosion both move, in different ways. In slumps, land breaks off in one piece, or chunk. Landslides are when rocks and dirt rapidly move down a slide.
