Which one of the following can make people sick? a. storing food in containers designed specifically to hold food b. storing food in non-food-grade containers c. labeling spray bottles with the names of what is inside the bottle d. storing high acid foods such as tomatoes or lemons in food-grade condtainers

I’m going to guess these are the choices: a) recreational skiing developed in the mid-19th century b) it was originally invented as a way of getting from place to place in snowy regions c) downhill skiing is currently the only common form of the sport d) it mostly evolved from snowshoeing- if that’s the cases then the answer would be c) downhill skiing is currently the only common form of the sport