A passage has several paragraphs. The first paragraph introduces recycling, and the remaining paragraphs explain how recycling conserves energy, reduces landfill waste, and protects natural resources. Which of the following is most likely the main idea of the passage?
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A
Landfills are becoming too full in many cities.
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B
Recycling provides multiple important environmental benefits.
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C
Energy conservation is the most important reason to recycle.
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D
Many communities have not yet started recycling programs.