Multiple choice

A potential benefit of capturing and using the gases produced in sanitary landfills?.

  1. increasing the speed of biodegration of wastes

  2. preventing the gases from entering the soil

  3. cutting down greenhouse gases
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Landfills produce methane, a potent greenhouse gas, as waste decomposes. Capturing this gas prevents it from entering the atmosphere and allows it to be used as an energy source.

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