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Ram Sharma • 193.86K Points
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Q. The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. What is the reason?

  • (A) The density of water is maximum at 4°C
  • (B) Ice is a bad conductor of heat
  • (C) Since, the surface of the lake is at the same temperature as the air, no heat is lost
  • (D) None of the statements
Correct Answer - Option(A)

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