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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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jcb7359 jcb7359
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6 years ago
Placer mining is environmentally damaging because most methods ________.
 
  A) inject toxic solutions deep into the ground
  B) create large open pits that fill up with groundwater and react with sulfides to form sulfuric acid
  C) lead to acid drainage that affects nearby streams and rivers
  D) wash large amounts of sediments into streams, making the streams uninhabitable for many forms of aquatic life
  E) remove large amounts of surface soil and rock, leading to wide-scale erosion
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Bboggie17Bboggie17
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6 years ago
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3 years ago
cool!
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