Hydrogen -oxygen fuel cells are used in spacecraft to supply

Options :
  1. power for heat and light
  2. power for pressure
  3. oxygen
  4. water
Answer and Explanation :-

Answer: Option 4


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O dear Pan and all the other gods of this place, grant that I may be beautiful inside. Let all my external possessions be in friendly harmony with what is within. May I consider the wise man rich. As for gold, let me have as much as a moderate man could bear and carry with him.
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