The ____ of a substance is defined as the mass per unit volume.
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The kinetic energy of a ball weighing 0.5 kg moving with a velocity of 4 m/s will be
Which of the following is a tsunami warning sign?
What is the name of the castle that was built in honour of world renowned composer Richard Wagner?
Who among the following is the vice-chairman of NITI Aayog as of 2018?
Sphalerite is an ore/mineral of
Acid rain is caused by release of ___ and___ into the air.
The demand for a normal good increases with ________ in the consumer's income.