Question

are preserved by the use
of oil and vinegar.​

Answer 1

Answer:

Use of oil and vinegar prevents spoilage of pickles because bacteria cannot live in such an environment. Vegetables, fruits, fish and meat are often preserved by this method.

Explanation:

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Answer 2

Oil and vinegar are used in food preservation because food spoilage microorganisms cannot survive in such an environment. Complete Answer: Oil and vinegar are used for the preservation of vegetables, fish, and meat. Immersion of food in vinegar to preserve it is known as pickling.