If in winter season the surface temperature of lake is $1^{\circ} C$, the temperature at the bottom of lake will be ............
If in winter season the surface temperature of lake is $1^{\circ} C$, the temperature at the bottom of lake will be ............
- A
$1^{\circ} C$
- B
$0^{\circ} C$
- C
$4^{\circ} C$
- D
All values less than $1^{\circ} C$ are possible
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