Multiple choice

Which of the following materials is not environment friendly?

  1. Paper

  2. Wood

  3. Plastic bag

  4. Cotton cloth

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Environment friendly materials are those, which are easily decomposed by the bacterial action. Paper, wood and cotton clothes are decomposed into simpler substances by bacterial action. Plastic bags are not decomposed and thus are not eco friendly. 

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