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Anestetic [448]
2 years ago
11

Which of the following represent human systems? cascade tunnel coal mines rocky mountains the erie canal lake superior

Geography
2 answers:
luda_lava [24]2 years ago
6 0
The answer is b. coal mines. Humans made the mines, not nature. 
Tresset [83]2 years ago
6 0

it is 1,2,  and 3 not just coal mines


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