1. Students recycle and use recycled materials. They save energy.
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2. We use the car all the time. We make the air dirty.
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3. You save electricity. You turn off your computer when you don't use it.
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4. People stop using so much energy. They want to save the environment.
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5. You see a used can in the road. What will you do?
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Loga
Sinh Học lớp 12
