Which is the closest star to our solar system?
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June 21 marks the winter solstice in the _________ Hemisphere.
An _______________ is a sudden shaking or trembling of the earth.
The force of friction between two surfaces will increase if:
The given symbol stands for a/an ___ in an electric circuit.
Which of the following was the winner of the Grammy Awards 2016 "Country Song of the Year"?
Who was the first to score a perfect 10 in Olympics in gymnastics?
In which year in India, was the demonetisation announcedfor the first time?