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      Question

      What is the purpose of "Double Polyethylene" layers with

      air inflation?
      A To make it look better Correct Answer Incorrect Answer
      B To provide better insulation and reduce heat loss Correct Answer Incorrect Answer
      C To keep out all light Correct Answer Incorrect Answer
      D To store water Correct Answer Incorrect Answer

      Solution

      The air gap acts as an insulator, significantly reducing the energy needed for heating. It also adds structural stability to the plastic film against wind.

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