The absolute refractive index of air is
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The minimum age limit for the membership of the Vidhan Parishad is _____
The outermost layer of the earth's atmosphere is _______.
Thermal electricity is generated by using which of these ?
Tamarindus indica is the scientific name of ________.
______ of species is a reflection of their evolutionary relationships.
The depletion in Ozone layer is caused by ___________ .
The tenth element in the Newland's periodic classification resembles the