I think it is A) because smog is mostly formed by automobile exhaust fumes
Answer:
A. Hope it helped you buddy brainiest plz and thank you!!!!!!
Explanation:
Which environmental agency is most likely to discover an E. coli
outbreak in romaine lettuce?
А U.S. Department of Agriculture
Maggots used in wound care are bred in a sterile environment and are free from bacterial contamination. ... It is not possible for the maggots to turn into flies while in the wound. The maggot will not reproduce or multiply within the wound, as only adult flies lay eggs.