Question

"Sand dunes are never stationary."Explain this statement giving reasons

Answer 1

Answer:

Because sand does not transmit energy to adjacent sand particles when wind blows over it, the wind must rise over a stationary hump. In so doing, it is compressed vertically, so it must speed up. Continued, strong winds can change these rises into undulating dunes that often go far inland.

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Answer 2

Answer:

Sand dunes are never stationary . becoz sand dunes are pile of loose sand. since is lighter and goes away with wind force. therefore sand dunes are motionary.