Questions

In the atom bomb, isotopes of uranium are  disintegrated with the release of a large amount of energy. Hence, the process is nuclear fission.

Desertification is a type of land degradation in which a relatively dry area of land becomes increasingly arid, typically losing its bodies of water as well as vegetation and wildlife.

Conversion of a grassland or an already arid land into a desert through indiscriminate human actions magnified by droughts.

Hence, forest improving to deserts is refers to desertification.

India's 2nd Tulip Garden will come up in Pithoragarh district of Uttarakhand state.

BRICS is basically an association of 5 major emerging national economies: Brazil, Russia,China, India and South Africa.

BRIC was coined in Foreign Ministerial meeting of Brazil,Russia,China and India in Newyork in Sept 2006. BRIC officialy came in existance in 2009 at Yekaterinburg,Russia.

At start group was named as BRIC, but after being formally invited by the BRIC countries to join the group, South Africa officially became a member nation on 24 December 2010, and the group was renamed BRICS.

A Mirage is a naturally occurring optical phenomenon due to unequal heating of different parts of the atmosphere in which light rays bend to produce a displaced image of distant objects or the sky.