THE CHEMICAL ____ FROM CARS AND FACTORIES MAKE THE AIR, WATER AND...

18. - ON TAP KIEM TRA 1 TIET 11 BAI 9 10 11
ON TAP KIEM TRA 1 TIET 11 BAI 9 10 11
18. The chemical ____ from cars and factories make the air, water and soil dangerously dirty.A. polluted B. pollution C. pollute *D. pollutants