A bomb explodes on the moon. You will hear its sound on earth after _________
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Barometer was invented by
Who was elected the Prime Minister of Nepal recently?
How many Indian States and Union Territories share the Indian coastline?
All respiratory equipment must be approved byl
The National Institute for Occupational Safety and Health (NIOSH) will approve all respiratory equipment.
Ghoomar is the popular folk dance of
Which among the following is white phosphorus?
Rusting is _____.