Chemistry, 15.11.2019 09:31 mattosmiriah5533
Which of these human activities is a serious threat to marine ecosystems? a) fishing in estuaries. b) dumping wastes in landfills. c) sinking chemical wastes in the ocean. d) burning wastes rather than dumping them in landfills.
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Which of these human activities is a serious threat to marine ecosystems? a) fishing in estuaries....
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