A. Smoke
B. 2, 4-D and pesticides
C. Automobile exhaust
D. Aeroplanes
Correct Answer: 2, 4-D and pesticides ✔
Last Updated: May 23, 2024
A. Smoke
B. 2, 4-D and pesticides
C. Automobile exhaust
D. Aeroplanes
Correct Answer: 2, 4-D and pesticides ✔
Last Updated: May 23, 2024