Answer the following questions briefly.
(a) What are the four major domains of the Earth?
(b) Name the major continents of the Earth.
(c) Name the two continents that lie entirely in the Southern Hemisphere.
(d) Name the different layers of atmosphere.
(e) Why is the Earth called the ‘blue planet’?
(f) Why is the Northern Hemisphere called the Land Hemisphere?
(g) Why is the biosphere important for living organisms?
(i) What are tectonic plates?
(ii) Which continents of today were part of the Gondwana land?
(iii) What is the bhabar?
(iv) Name the three major divisions of the Himalayas from north to south.
(v) Which plateau lies between the Aravali and the Vindhyan ranges?
(vi) Name the island group of India having coral origin.