Tupperware works by creating a sealed container for storing food. The top and bottom have grooves which align to keep the contents secure and fresh.
Spoilt
Deforestation,GW etc
Because they help to preserve the food and prevent stuff from getting in contact with the food(example:insects)
vacum food sealers are a good way to preserve food for disaster preparation because the sealers stop air from getting in or out of the bag so the food can't go off.
Because it Doesn't Want To.
water can not preserve food it attracts mold
No really. Haven't seen ice teas getting spoilt.
you preserve the food Ex: cooking, freezing, refrigerating, salting, spicing, irradiating, pickling, add preservatives...
On meat, salt can preserve food.
Food should be preserved so that it doesn't get spoiled or rot. If it does get spoilt and we consume it, the bacteria in the rotten food can make us ill.
The microorganisms presents in the air come into the food and spoiles the food
They stuffed the food with salt which would let it dry out and that's how they would preserve it.