FORESTRY
SOIL SCIENCE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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loess
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glacial till
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alluvium
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topography
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prairie soil
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Detailed explanation-1: -Loess Deposits-Loess is comprised primarily of wind-blown silt grains, with less significant amounts of clay and sand. Glacial outwash debris containing sand, silt, and clay is transported to flood plains by rivers that drained glacial meltwater.
Detailed explanation-2: -Loess. The term loess (meaning “crumbly” in German) is used to describe silt textured eolian material. Loess can be interpreted as an accumulation of wind-blown dust, usually of glacial origin.
Detailed explanation-3: -When meltwater streams are involved, the resulting parent material is called glacio-fluvial, while when glacial lakes are involved, the parent material is called glacio-lacustrine. In the case of the interaction between ice and the ocean (or sea), the parent material is called glacio-marine.