Answer:
While there are many food safety hazards that can cause food contamination, most fall into one of three categories: biological, physical or chemical contamination.
Twice to 4 times a week though you are supposed to separate the days throughout the week.
Maybe a person in a harmful neighborhood/ school/ house. this would be a cause to harmful health
D.) use a tourniquet to slow anything that was in the needle while it goes through the blood stream
Hope this help! have a great day.
