Physics
As we go from Equator to North pole the value of ''g', the acceleration due to gravity

Decreases
None of these
Remains the same
Increases

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Physics
The blue colour of water in the sea is due to

Scattering of blue light by water molecules
Absorption of other colours except blue by water molecules
Reflection of blue light by impurities in sea water
Reflection of blue sky by sea water

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