Exercise 2: Choose the words whose underlined part is pronounced differently. 1. A. environment​​ B. temperature​ C. botanical​​ D. contaminant 2. A. untreated​​ B. aquatic​ ​C. pollution​​ D. electronic 3. A. pollute​​​ B. poison​​ C. damage​​ D. illustrate 4. A. presentation​​ B. radioactive​ C. environmental​ D. contamination 5. A. permanent​​ B. chemical ​​C. dramatic​​ D. herbicide