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Garbage In, Garbage Out
(a) Collect pieces of different kinds of paper. Find out which of these can be recycled.
(b) With the help of a lens look at the pieces of paper you collected for the above question. Do you see any difference in the material of recycled paper and a new sheet of paper?
(a) Piece of paper from a newspaper, notebook, diary, etc, can be easily recycled while the piece of paper that is coated with a thin layer of plastic or shiny material cannot be recycled easily.
(b) The surface of a new sheet of paper will be smooth and shiny while the surface of recycled paper will be rough.
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