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Which source of sand is commonly known for its smooth texture and rounded grains due to erosion and transportation by water?

36. Which source of sand is commonly known for its smooth texture and rounded grains due to erosion and transportation by water?

1. Pit sand
2. River sand
3. Desert sand
4. Sea sand

Answer

The correct answer is: B) River sand

Explanation

The fine texture and rounded grains of river sand are the result of erosion and river current movement.