Multiple choice

Food preservation method where food is sealed in airtight containers and heated.

  1. Drying

  2. Canning

  3. Pasteurization

  4. Irradiation

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

Canning involves placing food in jars or cans and heating them to a temperature that destroys microorganisms, then sealing them to prevent new bacteria from entering. This creates an airtight vacuum seal.