Preservation of historical articles is done in science of ________________
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__________ acts as a shield absorbing ultraviolet radiation from the sun.
When warm air rises up and cold air from the surrounding areas rushes in to fill its place then this sets up ________________ in air.
Echocardiogram is more closely related to
Mir Hassan Dehlavi was in the court of which of the following?
The Lena river passes through which country?
Six Machine (I Don’t Like Cricket ... . I Love It)' is an autobiography of which famous batsman?
A rectangle with one side 4 cm is inscribed in a circle of radius 2.5 cm. The area of the rectangle in sq.cm is: