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Atmospheric water vapour
Scattering of light
Emision of blue wavelength by the sun
Reflection on sea water
The slope of a velocity - time graph gives
The so-called fourth state of matter refers to
The solubility of the alkali metal carbonates
The source of energy that causes the least global warming is
The source of oxygen generated during photosynthesis is:
The spermatozoa contain an acrosome anteriorly, the function of which is
The stones formed in human kidney consist mostly of
The strongest force in nature is
The substance used to attract the gypsy moth is
The substance which does not expand on going from liquid state to solid state is