Why coal and petroleum are considered valuable natural resources?
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5
Coal-:
it is hard like a stone and it is helpful for flaming
petroleum -:
in past many organism living in the see when these organism got ded their bodies got shilated on the bottom on the see and eventually
it is hard like a stone and it is helpful for flaming
petroleum -:
in past many organism living in the see when these organism got ded their bodies got shilated on the bottom on the see and eventually
Answered by
0
Because there in minimum amount on earth.
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