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* 1. What is WASTE?

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* 2. What is BIODEGRADABLE WASTE?

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* 3. Tick the examples of BIODEGRADABLE WASTE.

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* 4. What can we do with NON-BIODEGRADABLE WASTE?

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* 5. The term THREE R'S means...

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* 6. REDUCE = to use less
Tick the examples of reducing!

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* 7. REUSE = to use again
Tick the examples of reusing!

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* 8. RECYCLE = to use sth. old to make sth. else
Tick the examples of recycling.

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* 9. How can we save the air?

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* 10. How can we help the nature?

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