Questions

Emphysema is a condition that involves damage to the walls of the air sacs (alveoli) of the lung i.e, primarily causes shortness of breath due to over-inflation of the alveoli.

First, emphysema causes holes to gradually form inside the lungs' air sacs, thereby weakening their internal structure and inhibiting the exchange of oxygen and carbon dioxide.

450 mm Hg denotes the air pressure.

Except Nagaland all other options are capital cities of the states in India. Nagaland is the north eastern state with Kohima as its capital city.

* Shimla is the capital city of Himachal Pradesh. 

* Imphal is the capital city of Manipur.

These can not be edited once the account is set up.

The Bantu were comprised of more than 500 ethnic groups of Africa for migrations. The Bantu were experts in the form of iron metallurgy. 

Gamma rays has the shortest wavelength and radio waves has the longest wavelength.

The system unit of a personal computer typically contains microprocessor, disk controller and serial interface but it does not contain modem.