Question

landslides are common in the mountain areas. give reason

Answer 1

Land slide are common in mountain areas because when it rains the soil become loose and slide at very high speed and destroy all things comes in front.

Answer 2

Slope—Long, steep hillsides, cliffs, escarpment, or rugged mountainous region are prone to landslides. ... However, landslide is more likely to occur later in a wet when the cumulative seasonal precipitation has saturated the ground. Soil slopes and rock are weakened through saturation by heavy rains or snowmelt.
hope it helps..