For the following questions answer them individually
In perfect competition a firm maximizes profit by ...............
Ozone hole is caused by chemicals like ...............
The poisonous gas accidentally released in Bhopal Gas Tragedy is
Which country has the most coal reserves?
Venus is the ..............planet from the Sun.
Ashoka was an emperor of the ..............Dynasty.
Which Mughal emperor imprisoned his father and executed his brother?
Piano was invented by ...............
What is the viscosity of an ideal fluid?