Answer:
Step-by-step explanation:
A. There is a greater risk of E.coli infection from hamburger consumption than in steak. Hamburger is made with ground beef and bacteria which includes E.coli spreads more in ground beef. On the contrary, steak is not ground meat so the spread of bacteria in it is reduced compared to hamburger.
B. Food poisoning can still occur. Though staphylococcus aureus can easily be killed by the heat associated with warming, it's toxins which are responsible for food poisoning are heat resistant and can still cause diseases even after reheating of food.