Match each word or phrase with its correct definition. Word/Phrase 1. To face 2. Air polluters 3. Toxic fumes 4. To do harm 5. Waste 6. Acid rain Definition a) Poisonous gases or smoke b) To cause damage or injury c) To be confronted with a problem or situation d) Substances discarded as no longer useful e) Sources that release pollutants into the air f) Rainfall made acidic by atmospheric pollution