Answer:
The correct answer is - C) Landslide.
Explanation:
Landslide is a form of land movement that is caused by a trigger such as earthquakes and is driven by gravity. It often occurs in weak and thus unstable landmass both above and under the sea level. Landslides have several types, including debris flow and rock avalanche.
Apart from natural causes, the catastrophic landslides result from human activities, such as deforestation and mining.