Melodie370 Melodie370
  • 02-10-2014
  • Geography
contestada

Pollution is the only way that humans can cause changes to ecosystems. True or false?

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Bugsytherooster
Bugsytherooster Bugsytherooster
  • 02-10-2014
False, there isn't just pollution. We also cut down trees, drain lakes and ponds, and put up buildings where ecosystems and habitats used to be.
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bookworm2020
bookworm2020 bookworm2020
  • 02-10-2014
False. we cut down tree, build cities in places that were once forest, kill off animals and forest fires
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