Respuesta :
They are the least concern to someone if they clean and wash the fruits or vegetables properly. If they plan on cooking the fruits or vegetables, and if it is cooked properly, then the contaminants should be rid from the flesh.
I believe the answer is: are prewashed and packaged before delivery
The soil and dirt would fall off the fruits or vegetables from the flow of water that is used during the prewashing process. The packaging is being done in order to prevent new soil and dirt from re-entering the fruits/vegetables during the delivery process.