General Science Questions

A rotating column of air is called as a Tornado which extends from the thunderstorm to the ground.

The air around us is a mixture of gases, mainly nitrogen and oxygen, but containing much smaller amounts of water and other gases.

Earth's atmosphere is composed of many gases. Their percentages by volume is given by::

 
78% Nitrogen,

21% Oxygen,

0.9% Argon, and

0.03% Carbon dioxide 

And very small percentages of other elements.

The ozone gas present in the atmosphere absorb ultraviolet radiation. It is spread as a ozone layer throughout the stratosphere.

Lacto-ovo vegetarians who eat milk products and eggs but would not eat Meat, poultry, fish.

The head mirror used by ENT doctors is concave.