15. Drinking water can become _______by industrial waste, so it's crucial to support clean water initiatives. A. sorted B. decomposed C. recycled D. contaminated

Public transport does not pollute the air as much as private vehicles, __________ is why more people should consider using it. A. which B. that C. who D. whose

It is obvious that using reusable bags is __________ than using single-use plastic ones. A. eco-friendlier B. more eco-friendly C. less eco-friendly D. more eco-friendlier

Organic ______ made from dry leaves and grass can help make your garden healthy and beautiful. A. waste B. compost C. leftovers D. landfills

Green building designs are often based __________ energy-efficient principles, reducing environmental impact. A. for B. about C. to D. on

4. Community efforts to _______local parks can significantly improve the health of our environment. A. get rid of B. go green C. rinse out D. clean up

Organic waste such as fruit and vegetables can ______ more quickly than other materials. A. decrease B. decompose C. destroy D. degrade

9. Many companies are making an effort to _______ by reducing their carbon footprint and using sustainable resources. A. get rid of B. go green C. rinse out D. clean up

Burying waste in ______ can lead to other environmental problems such as soll and air pollution. A. landfills B. recycling plants C. containers D. cardboard boxes

5. Reducing our _______is essential for combating climate change and protecting future generations. A. cardboard B. leftover C. fruit peel D. carbon footprint

16. Choosing _______materials for building projects can help conserve natural resources and reduce waste. A. sustainable B. reusable C. single-use D. recyclable

7. In the ____ agriculture, farmers try to limit the use of chemicals and fertilizers. A. sustainable B. conserving C. preserving D. supporting