Composition and Structure of Atmosphere
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Composition and Structure of Atmosphere About 99% of total mass of atmosphere is within the height of 32 km from earth surface, rest above merges with outer space Atmospheric Air…
Geographical Division of Earth & its Relation to Solar system
Geographical Division of Earth & its Relation to Solar System Shape of Earth Oblate spheroid or oblate ellipsoid shape Slightly flattering at poles & slightly bulging at equator Polar radius approx.…
Origin of Earth
Origin of Earth Gaseous Theory (1755) By Imanuel Kant (German) Primordial matter was evenly distributed in shape of small & cold particles from which our earth & other planets of…
Solar System & Planets
Solar System & Planets Solar System Our solar system consists of Sun + 8 Planets + 1 Dwarf planet (Pluto) + No. of Natural Satellites Pluto was demoted to dwarf planet at 26th…
India Position & Population Statistics
India Position & Population Statistics Lies in South Asia North of Equator Latitude (8*4’ – 37*6’) N Longitude (68*7’ – 97*25’)E 2nd largest arable land (after US) Population 17.6 %…
India Roads, Railways, Ports & Airways
India Roads, Railways, Ports & Airways Road Transport >> 100 % FDI National Highways Responsibility of National highway authority of India (NHAI) Constitutes 2 % of all roads & carry…
Mineral Resources India – Petroleum, Fibers, Natural Gas
Mineral Resources India – Petroleum, Fibers, Natural Gas Petroleum Refineries There are two stages >> Production (drilling) + Refining For Petroleum refineries, the raw material sources were less decisive factors…
Mineral Resources India – Iron, Coal, Aluminium, Copper, Lead, Zinc
Mineral Resources India – Iron, Coal, Aluminium, Copper, Lead, Zinc Metallic Ferrous Containing iron contents (Iron ores, Ni, Co, Mn etc.) Non-Ferrous Gold, Silver, Cu, Pb, Al, Zn etc. Non…
