Answer:
Landslide is the rapid downhill movement of a mass of rock, debris, or soil
Mudflow is the rapid downhill movement of a mixture of rock soil and water.
Slump is a loosely connected mass of rock and soil
Creep is the slow downhill movement
Answer:
Sulfur: gunpowder and medicines
copper: coins and jewelry; and in coins
diamond: drill bits and saws
Explanation: