R

Ram Sharma • 193.88K Points
Coach Science

Q. The water from a hand pump is warm in winter as

  • (A) The temperature inside the earth is higher than the atmospheric temperature
  • (B) Our body is cold in winter & the water seems to be warm
  • (C) The pumping process causes friction which warms up the water
  • (D) Inside water comes out & absorbs heat from the environment
  • Correct Answer - Option(A)
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  • Filed under category Science

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