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.

Majuli or Majoli is a river island in the Brahmaputra River, Assam and in 2016 it became the first island to be made a district in India.

A Donut or Doughnut. Anything in the shape of a torus.

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

C3 plants are plants that undergo C3 photosynthesis, which means that they undergo the Calvin cycle (converting carbon dioxide into energy) in their chloroplasts and typically keep their stomata open during the day. These are the most common types of plants.

In C3 plants the conservation of water promotes Photorespiration.

Teens drinking are at risk of date rape, becoming an alcoholic, HIV and other STDs.

Nuakhai or Nuankhai is an agricultural festival mainly observed by people of Odisha and Chhattisgarh in India. Nuakhai is observed to welcome the new rice of the season.