They can be contaminated by the chicken if the chicken has pathogens.
All chicken eggs are contaminated but if you cook them properly and clean the area of where it was put when it was raw it should be fine.
no. as with anything in a contaminated area its surfacemay become contaminated, but this can and should be washed off.
If you become contaminated with chemical agents decontaminate by processing through the CCA within
Everyone will become sick.
There has been a recall of millions of eggs contaminated with Salmonella ~ see related link below to the news article .
I think all of these can become contaminated dy disease
Food utensils become contaminated when pathogens are transferred to its surface. This will happen when the utensils are not washed thoroughly, or someone with dirty hands touches them.
Water becomes contaminated by people throwing trash on the ground and it ends up in the ground water.
24 hours
Normally prawns would not, but it depends on the environment where the prawns were raised. If their environment is contaminated with something then they will also become contaminated.
24 hours
It could. if you get it muddy.