Question

distinguish between sand dunes and barkhams​

Answer 1

Answer:

Barchan is crescent-shaped dune. Seifdune is also crescent shaped but it is long type. When wind blows from one place to another it creates sand dunes. ... Barchan creates own and wider but Seif dunes breaks by own blows and creatures own shapes with wider and longer.

Answer 2

Answer:

Barchan is crescent-shaped dune. Seif dune is also crescent shaped but it is long type. When wind blows from one place to another it creates sand dunes. ... Barchan creates own and wider but Seif dunes breaks by own blows and creatures own shapes with wider and longer...