THE CHEMICAL …..FROM CARS AND FACTORIES MAKE THE AIR, WATER AND SO...
31. The chemical …..from cars and factories make the air, water and soil dangerously dirty.
A. polluting
B. pollution
C. pollute
D. pollutants
31. The chemical …..from cars and factories make the air, water and soil dangerously dirty.
A. polluting
B. pollution
C. pollute
D. pollutants