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The Sahara's sand seas (ergs) and dunes are formed by strong desert winds.
O True
False

Sagot :

waterpaint777

Answer:

Image result for how are (ergs) and dunes are formed

Ergs are formed by the action of winds. Sand dunes can migrate and increase their number in certain areas over many thousands of years. Large regions of sand were originally formed when the land was covered by a shallow sea. The action of waves over very long periods of time can erode rocks to form sand.

Explanation:

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