Questions

Head Quaters of NATO is located in Brussels

No work done as there is no external external pressure in free expansion. 

Hence, Work done in a free expansion process is Zero.

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms activities.

Though this is essentially a Committee of the House of the people (Having 15 members from that house), by an agreement between the two houses, 7 members from the other Houses are also associated with this committee, in order to strengthen it.

Kerala state become the first to have four International Airports with Kannur Airport.

Labyrinth which is part of the ear is the main organ of balance in the human body.

In Germany an important system of canals has been built in the low lying land between the Baltic Heights and the mountains in the southern part of the country. The Channels cut by these Ice-age rivers and later abandoned, have made it comparatively easy to join up the present river by canals which assist considerably in the movement of heavy goods in the north German Plain