Answer: The drug that Caleb most likely abuse of is tobacco.
Explanation:It is because smoking with tobacco causes respiratory issues or develop one once a person started using it. Base on the scenario, it can be seen that Caleb is having respiratory problems and by that, it can be pointed out that the tobacco is the reason behind it.
Carlos is correct because produce can go longer without cooler temperatures (think of farmer markets the produce is out all day ) but meat and poultry can get spoiled faster
