AP BIOLOGY

EVOLUTION

THE ORIGIN OF LIFE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Fine soil particles like silt and clay that have been deposited by the wind create soil known as
A
eolian soil
B
alluvial soil
C
loess soil
Explanation: 

Detailed explanation-1: -Eolian (or aeolian) sediments are wind deposited materials that consist primarily of sand or silt-sized particles. These materials tend to be extremely well sorted and free of coarse fragments.

Detailed explanation-2: -Aeolian processes, also spelled eolian, pertain to wind activity in the study of geology and weather and specifically to the wind’s ability to shape the surface of the Earth (or other planets).

Detailed explanation-3: -Sand dunes (both active and stabilized by vegetation) can be found along beaches, and in arid or semi-arid regions. Dunes are mounds of loose sand created by wind and are the most well known aeolian features.

Detailed explanation-4: -In some parts of the world, windblown dust and silt blanket the land. This layer of fine, mineral-rich material is called loess. Loess is mostly created by wind, but can also be formed by glaciers.

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