1. The pollution water results in the ______ of many aquatic animals and plants. (DIE) 2. If we use water ______, more people will have fresh water. (CARE) 3. We should protect the environment and save ______resources. NATURE 4. A number of cleaning products contain ______ chemicals. (HARM) 5. ______ habitats have been destroyed in recent years. (NATURE) 6. In many developing countries, water pollution is usually a leading cause of ______. (DIE) 7. The ______of lakes, rivers, oceans or underwater causes water pollution. (CONTAMINATE) 8. She worked ______ so that she could pass the final exams. (HARDLY)