mineral riches of the earth's crust are either extracted or used . For every ton of metal , a large amount of slag is discarded which damages the environment . What kind of management is needed in this regard?
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There should be new technology to solve out this problem...
This answer is according to me ..
shreyasharidas6:
it a bio question not an open ended question.....
I think it's from management of natural resources..
yea
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