A. chlorine, sodium, sulphate, magnesium, calcium, potassium B. sodium, chlorine, magnesium, potassium, sulphate, calcium C. chlorine, magnesium, calcium, sodium, potassium,…
A. planet's albedo B. earth's albedo C. both are similar terms D. None of the above
A. Tadjikistan, Khirghizia and Turkemenistan B. Armenia, Georgia and Azerbaijan C. Russia, Ukraine and Byelorus D. Moldavia, Khazakhastan and Uzbekistan
A. Jupiter B. Neptune C. Saturn D. Uranus Explanation: Jupiter 63 Saturn 60 Uranus 27 Neptune 13 Pluto 3 Mars…
A. the Vindhya range B. the Aravallis C. the Nilgiri hills D. the Satpwas
A. continental data B. conventional current C. plate tectesic D. cooling process
A. water cycle B. energy cycle C. rock cycle D. None of the above
A. improving the utilisation of irrigation potential B. optimizing agricultural productivity and production from the irrigated area C. both (a)…
A. artesian B. artesian well C. unconfined groundwater D. confined groundwater
A. aridsols B. vertisols C. histosols D. andisols