What does the presence of a coal mine in an area indicate about that region's geologic history?

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Water in this area was well oxygenated.

  

Shallow seas were once located there.

  

Coal seams were likely available and exploited by native humans in the region thousands of years ago.

  

Marshy, swampy, or boggy habitats were once found there.

 

asked Dec 28, 2012 in Biology by anonymous
recategorized Dec 28, 2012
    

1 Answer

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Marshy, swampy, or boggy habitats were once found there.

 

answered Dec 28, 2012 by anonymous

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