Answer:
Microbiological hazards
Explanation:
The vomiting might probably be because of irritation (some ingredients that he isn't comparable with) or food poisoning which could be a result of contamination. Whatsoever the case might be, handling of the ice cream might be posed with hazardous which are physical, chemical, allergens and microbiological hazards, the likelihood of the microbiological hazards is higher and the commonest in such a situation.
Basketball is very rough and I know because I have played for 7 years. We should have more protection on our legs and maybe our arms because we do fall a lot and have to defend which gets very physical. I mean some do where knew guards but I think it should be a requirement