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Which statement best describes an environmental consequence of unsealed landfills? Landfills can produce carbon dioxide that leak into the atmosphere.
Long-term exposure to mercury and lead in landfills can cause cancers.
Heavy metals are released as leach ate into surrounding waterways.
Materials in landfills undergo decomposition for hundreds of years.

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The correct statement describing environmental consequence of unsealed Landfills is : ( A ) Landfills can produce carbon dioxide that leak into the atmosphere

A landfill is composed of 4 essential components and some are ;

  • bottom linear
  • hydrogeologic component and
  • A cover ( seal )

Given that a landfill constitutes of about 40 to 60 percent of C0₂ the environmental consequence of not providing a proper seal for the landfill will be the leakage of C0₂ into the atmosphere. while

The release of Heavy metals as leach ate into the surrounding can be controlled with the provision of a system in the landfill, materials in landfill undergo decomposition for a long period of time.

Hence we can conclude that Landfills can produce carbon dioxide that leak into the atmosphere.

Learn more : https://brainly.com/question/12745559

Answer:

Landfills can produce carbon dioxide that leak into the atmosphere.Explanation:

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