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Lelu [443]
3 years ago
11

Placer mining involves _______ to extract minerals.

Geography
2 answers:
9966 [12]3 years ago
5 0
Placer mining involves using water to excavate, transport, concentrate and recover minerals.
UNO [17]3 years ago
3 0

Answer:

c. dredging sediments from the water bottom

Explanation:

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