In K, Cr, the no of Cr-OEquivalent bonds are

The biosphere of the earth is made up of what compound? organic or inorganic?

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

Compare sympathetic and parasympathetic