you can preserve foods by putting them in the refrigerator to slow down the bacteria process.
On meat, salt can preserve food.
yes
We preserve food because it helps the food last longer
how do amnricins preserve their foods the old days
Mostly fruits.
By using a fridge
Sugar is used to preserve fruits as jam/jelly. Salt is used to preserve foods such as fish and meats like bacon. Vinegar is used to preserve many different foods such as onions, cabbage, beetroot etc. Other methods of preserving include drying and smoking but these are not specifically answering your question. Examples are mushrooms and meats.
Foods that are frozen to preserve freshness.
to preserve foods
the vacuum environment in each can is the answer for it
It does preserve food because in days when there were no freezers,salt kept foods from spoiling.