Question

describe in brief the different methods of extraction​

Answer 1

Answer:

There are four main mining methods: underground, open surface (pit), placer, and in-situ mining. Underground mines are more expensive and are often used to reach deeper deposits.

Explanation:

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Answer 2

Answer:

There are four main mining methods: underground, open surface (pit), placer, and in-situ mining. Underground mines are more expensive and are often used to reach deeper deposits.

Explanation:

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