Question

answer the above picture

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Answer 1

HOLA !!!

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▶▶ DIFFERENT METHODS FOR FOOD PRESERVATION

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▶ Covering of food with aluminum foil which keep the temperature of the food as it is

▶Closing of food with plates or other metals which doesn't give time for reaction with outer substance

Example -- Milk is left without covering in which there is a bulk formed on the top

▶ Food are kept in lower temperature to expand it's time deal

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▶▶ HOPE U UNDERSTAND