3. Using a lot of fertilizers can reduce soil ___________. A. contamination B. deforestation C. agriculture D. fertility 4. W

3. Using a lot of fertilizers can reduce soil ___________.
A. contamination B. deforestation C. agriculture D. fertility
4. We are largely responsible for climate change because our activities have ___________ large amounts of carbon dioxide and other greenhouse gases into the atmosphere.
A. damaged B. consumed C. preserved D. released
9. Nowadays, we are facing many threats such as ___________, pollution, global warming, and fossil fuel depletion.
A. preservation B. ecosystem C. confusion D. deforestation
14. They have no way to _________ of the hazardous waste they produce.
A. dispose B. deforest C. deplete D. destroy
18. The oil spill which is not handled in time will eventually _______ the coastline.
A. consume B. fertilize C. release D. damage
19. Experts are predicting that the sea _______ will rise, flooding many low-lying areas.
A. fuel B. level C. impact D. threat