Multiple choice

If we want to preserve food for a long time which of the following methods can we apply?

  1. Increase the quantity of water in the food.

  2. Store food at a high temperature.

  3. Add salt in a high concentration to the food.

  4. Add sugar in a high concentration to the food.

  5. Both option 3 and 4

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is a right answer. Both option 3 and 4 can be used to preserve food for a long time.