An _______________ is a sudden shaking or trembling of the earth.
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A deep crack in a glacier is called
In 1981, ISRO launched India's first geostationary satellite called -
There are total _________ parliamentary seats (Lok Sabha constituency) in West Bengal.
The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as
Gandhiji's first Satyagraha in India was held at __________
Find the missing number?
Which of the following was the winner of the Grammy Awards 2016 "Country Song of the Year"?