Question

When the grains of sand is very fine and light, the wind can carry it over very long distances. When such sand is deposited in large areas, it is called Loess. Large deposits of loess are found in China.​

Answer 1

Answer is Sand dunes

Detailed explanation:-

When the wind blows, it lifts and transports sand from one place to another.

Ten percent of Earth's land area is covered by loess or similar deposits.

Loess is an aeolian (windborne) sediment being an accumulation of 20% or less clay and the balance of mainly equal parts sand and silt (grain size typically from 20 to 50 micrometers), often loosely cemented by calcium carbonate.

When it stops blowing the sand falls and gets deposited in low hill – like structures.

These are called sand dunes. When the grains of sand are very fine and light, the wind can carry it over very long distances.

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Answer 2

Answer:

When the grains of sand is very fine and light, the wind can carry it over very long distances. When such sand is deposited in large areas, it is called Loess.