THE WASTE FROM THE CHEMICAL FACTORY IS EXTREMELY ______.A. HARM B...

23. - File thứ 4: De 45p- hk2- b1- E 11
File thứ 4: De 45p- hk2- b1- E 11
23. The waste from the chemical factory is extremely ______.A. harm B. harmful C. unharmed D. harmless