1. Use...................instead of air conditioners.
2. Turn off .......................... in rooms you are not using them.
3. Be sure to ........................ cans and bottles.
4. Start an ......................... garden, if you have the chance.
5. Try to throw away 25% less .........................
6. Don't buy hamburgers or pizza in ................ boxes. They contain CFCs.
7. Try to save .............. Also, buy and use recycled .............
See you in class, teacher Silvia.
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