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1. Where are stained glass windows commonly found?
A. Temples
B. Museums
C. Churches
D. Schools
2. What is a unique feature of glass mentioned in the text?
A. It cannot be recycled
B. It is 100% recyclable
C. It breaks easily
D. It is flammable
3. What happens when glass is recycled?
A. It gets weaker
B. It saves energy
C. It changes color
D. It becomes opaque
4. How much energy is saved by recycling a single glass bottle?
A. Enough to power a fan for 20 minutes
B. Enough to power a color TV for 20 minutes
C. Enough to power a light bulb for an hour
D. Enough to power a computer for 10 minutes
5. What makes glass beautiful?
A. Its smooth surface and transparency
B. Its weight
C. Its brittleness
D. Its impermeability
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