Multiple choice

The methane found in landfills is a gas that

  1. is produced when wastes react with oxygen

  2. must be pumped to the surface in leachate pipes

  3. is a major contaminant of ground water

  4. may be captured and used to produce energy
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Methane is a combustible gas that can be captured from landfills and used as a fuel source for energy production.

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