Question

Define : a) Aggradation b) Degradation c) Erosion d) Deposition

Answer 1

Answer:

(a)Aggradation- It refers to an increase in elevation of land usually in River system due to deposition of sediments

(b) Degradation- It occurs due to erosional activities of mainly wind and water.It refers to the lowering of a landform through erosional process.

(c) Erosion- Erosion is the geological process in which earthen materials are worn away and transported by natural forces such as wind or water.

(d) Deposition- A deposition is a geological process in which sediments ,soil and rocks are added to a landform or land mass