Exams

Qatar country has decided to withdraw its membership from OPEC as of January 2019. The OPEC is The Organization of the Petroleum Exporting Countries founded in Baghdad, Iraq, with the signing of an agreement in September 1960 by five countries namely Islamic Republic of Iran, Iraq, Kuwait, Saudi Arabia and Venezuela. They were to become the Founder Members of the Organization.

Inhaling of oxygen and releasing of carbon dioxide to make our living is the process called as respiration. We know that, air is a mixture several gases like 78% of nitrogen, 21% of oxygen and several other gases with watervapour.

Hence, Oxygen is essential for respiration process.

The World Music Day is celebrated across the world on 21 June.

The day is also known as 'Fete de la Musique' after a music festival that began in France in 1982.

This Day was first celebrated on 21st June 1982.