General Studies I
The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. What is the reason?
|A||Ice is a bad conductor of heat|
|B||Since the surface of the lake is at the same temperature as the air, no heat is lost|
|C||The density of water is maximum at 4°C|
|D||None of the statements (a), B. and C. given above is correct.|