Friction is caused by the ______________ on the two surfaces in contact.
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Plasma is formed in the stars because of very
Indian Constitution came into force on
Who among the following is addressed as the Chairman of Rajya Sabha?
Who is the present (2017) Secretary General of SAARC?
As of February 2018, who is the Indian-born CEO of the Nokia company?
Molecular clocks are based on the idea that _____.
In perfect competition a firm maximizes profit by _____.