Question

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Define the following
*Aggradation and Degradation
*sand dunes and loesses


Please answer in short



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Answer 1

Answer:

Aggradation (or alluviation) is the term used in geology for the increase in land elevation, typically in a river system, due to the deposition of sediment.

Soil degradation are two regressive evolution processes associated with the loss of equilibrium of a stable soil. 

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A sand dune is a mount, hill or ridge of sand that lies behind the part of the beach affected by tides.

Loess is a clastic, predominantly silt-sized sediment that is formed by the accumulation of wind-blown dust. Ten percent of the Earth's land area is covered by loess or similar deposits.

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Explanation:

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