None, unless the ice is "contaminated" with something nutritious.
Food sources of transmission are: contaminated milk, ice cream, vegetables and other foods which often cause epidemics.
When it falls to the ground and a fat guy spits on it i guess :P
Not really. It's just pure carbon dioxide.
It depends on what you are licking. You could get ill from licking these:your own fingers if you have not washed your handsdirty silverwarespoiled ice cream in an ice cream conesomething contaminated with a bacteria, virus, or parasitea person with an STD
The water supply was contaminated. The company contaminated the soil with their chemicals.
Air is frequently contaminated.
Because the coldness of the ice cream cleanses your palliate. Therefore the water tastes pure because it is not contaminated with the bacteria from your mouth.
Around here, ice is considered to be food. It must be kept clean and sanitary and handled properly. Just like any food, it could be contaminated. Food companies are required to obtain water from a safe source and the ice making equipment must be kept clean.
This is a BROAD category. Contaminated with what?? (For example, Tuna, etc... can be contaminated with mercury because of what they feed on... Some fruits and vegetables can be contaminated with pesticides...While, any foods can be contaminated with household chemicals, such as cleaners or bleach...)
Contaminated by what?
They can be contaminated by the chicken if the chicken has pathogens.