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Because saliva contains bacteria from your mouth.
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∙ 14y ago
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How do you use contaminate in a sentence?
i have contaminate the food by putting my dirty hand on the food.
Why we can't eat at science lab?
Two reasons: your food could contaminate your experiment, and the experiment could contaminate your food.
Do flies contaminate food?
Yes
Does freon contaminate food?
If it gets into food yes! It is poisonous.
Why is eating and drinking banned from the laboratory?
Chemicals in the lab might contaminate the food - causing poisoning. The food might contaminate an experiment - making the results invalid.
Is spitting in food at home a crime in England?
No - not in your own food in your own home.
How does a virus food contamination?
pests contaminate food by landing on the food and leaving there waste ,if you may, like flies whenever they land they vomit, leave waste, and urine. pests also contaminate food just by carrying diseases.
How does food harm your environment?
through organisms which contaminate food like house fly
How can wounds that are not properly covered contaminate food?
cross contamination
What personal behaviors can contaminate food?
Some behaviors that can contaminate food include toileting, not washing hands, chewing fingernails, picking nose, bad body odor, and scratching face or behind.
You should separate food while preparing it so you do not cross?
Contaminate
Where is the food swllowed?
Most countries encourage people to swallow food rather than spitting it out.
