1A: Bloody diarreha
2B: A cooked hamburger
EXPLANATION: Symptoms of foodborne illnesses typical consist of non bloody or bloody diaherra, whilst for E. coli, they are generally found in the intestines of animals. Grilling almost always eliminates E. Coli on the meat's surface and on the inside while it being a greater risk in uncooked ground beef, which is used in hamburgers.
Answer:
gas: because oxygen is gas
