The gas used in a refrigerator is

Options :
  1. cooled down on flowing
  2. heated up on flowing
  3. cooled down when compressed
  4. cooled down when expanded


Answer and Explanation :-

Answer: Option 4

Explanation:

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Twant me, 'twas the Lord. I always told him, 'I trust to you. I don't know where to go or what to do, but I expect you to lead me,' and He always did.
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