Sphalerite is an ore/mineral of
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Acid rain is caused by release of ___ and___ into the air.
In a market system, the central problems regarding how much and what to produce are solved through the coordination of economic activities brought about by ________ signals.
Which is the form of market where there is lack of competition?
Which of the following is a tsunami warning sign?
Who among the following is the vice-chairman of NITI Aayog as of 2018?
If the initial velocity of a car is 5 m/s, and the final velocity is 10 m/s in 5s, then the acceleration is ___.
Black soil is also known by which of the following name ?