Question

fine and deposited by action of wind know is..

Answer 1

The obstacle causes the wind to slow down. The wind then drops some of its sand. As more sand is deposited, the dune gets bigger. The dune becomes the obstacle that slows the wind and causes it to drop its sand.

Answer 2

fine grained mud in the deep ocean comes from silts and clays brought from the land by wind.the particals are deposit on the sea surface they slowly settled to the deep ocean floor forming brown greenish or reddish clay volcanic ash also settled on the seafloor.