__________ acts as a shield absorbing ultraviolet radiation from the sun.
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Name the international treaty designed to protect the ozone layer from CFCs.
An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force of gravity in this process?
If a current of 1.5 A is maintained in a resistor of 10 ohm, then the energy dissipated in the resistor in 1 minute will be
Kalinga War was fought in the year _______
Who is the Bengali writer who won the 31st Moortidevi Award for the year 2017?
Who was the first Indian Badminton player to win the men's singles title at the All England Championship in 1980?
Who is the author of "Chokher Bali"?