Because of the chemicals that are used to keep bugs off, are still on the outsides. Plus store handling residue, makes washing food before you eat it is good safety.
ADDING: Don't forget bacterica, either from the soil or the dirty hands of the workers who picked the vegetables. There have been cases of food poisoning from bacteria or viruses on the outside of the food.
To make sure all of the dirt and water and bugs are off of them! also, any chemicals that could be on there.
Rinse them with water and you're good!
Yes, most of them are. You should be aware however, that any vegetable, regardless of origin, should be washed and disinfected.
Root vegetables include:carrotspotatoesonionsbeetsturnipsradishes
They are used as cutting tools for cutting vegetables to meat.
well , i dont know :p
They are washed because, often times farmers use chemicals to enhance their crops, and the people that handle the crops often times dont have many bathrooms around them, if you know what i mean.
Fruits and vegetables seem to be more frequently linked with episodes of food borne illness. It is imperative that they be well washed prior to use, particularly when they are not going to be cooked. As an example, melons need to be washed prior to cutting because bacteria on the outer rind will be pulled into the fruit as you slice. Salad items are another prime example and crudite vegetables are, too.
cutting vegetables
Yes the vegetables have to be washed before eating and before cooking to remove any harmful bacteria that may cause food poisoning. The vegetables should also be stored correctly so they are still fresh when eaten. Potatoes should not be eaten if they are yellowing through the white part.
Fruit and vegetables should always be washed under a running cold water tap before eating or cooking.
cotton should be washed with cold water