An atmosphere with reduced concentration of O2 and increased concentration of CO2 is called_______________?
Correct answer: A. Controlled atmosphere
- A. Controlled atmosphere
- B. Oxidation
- C. Humidity control
- D. Refrigeration
Explanation
A controlled atmosphere deliberately lowers oxygen and raises carbon dioxide, commonly to slow respiration and extend the storage life of fruits and vegetables. Refrigeration controls temperature, not primarily the gas composition.
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