POLLUTIONIII. 1. C 2. E A 4. B 5. D A. PHONETICS
3. The waste water is released from the paper mill in Thai Nguyen City, so water in the Cau
II. 6. Natural
7. harmful
8. contaminated
9. polluted
River becomes brown and has terrible smell.
3. The waste water is released from the paper mill in Thai Nguyen City, so water in the Cau
II. 6. Natural
7. harmful
8. contaminated
9. polluted
River becomes brown and has terrible smell.