GEOLOGY

Detailed explanation-1: -Answer. The right answer is A, Erosion.

Detailed explanation-2: -Mudslides occur when a large amount of water causes the rapid erosion of soil on a steep slope.

Detailed explanation-3: -One example of river erosion is the Grand Canyon which was formed by the Colorado River. Waves-Ocean waves can cause the coastline to erode. The shear energy and force of the waves causes pieces of rock and coastline to break off changing the coastline over time.

Detailed explanation-4: -Erosion – The process of moving rocks and soil downhill or into streams, rivers, or oceans.

Detailed explanation-5: -Sediment in rivers gets deposited as the river slows down. Larger, heavier particles like pebbles and sand are deposited first, whilst the lighter silt and clay only settle if the water is almost still.