In desert geography, an "erg" is:
Correct answer: A. A vast area of windblown sand and dunes, also called a sand sea
- A. A vast area of windblown sand and dunes, also called a sand sea
- B. A salt flat left by an evaporated lake
- C. A rocky plateau swept bare by wind
- D. A dry river channel that floods after rain
Explanation
Ergs are large expanses dominated by shifting sand and dune fields.
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