Concepts learnt visually causes more knowledge retention and increases students grasping power. It will be iron-black or steel-gray in color.
Land use pattern changes with time and the nature of economic activities carried out in that region. Non-Metallic minerals available from India are phosphoritedolomitegypsum, garnetwollastonitevermiculiteochreperlitebentoniteasbestoscadmiumfelsparsoapstone, kaolinsillimanitelimestone, diatomitepyrophyllitefluoritevanadiumduniteilmenitegallium and Zircon  Almandine garnet group from Rajasthan Garnet group[ edit ] It is a group of complex silicate minerals and has similar chemical compositions.
Metallic minerals available from India are zinciron oremanganese oregoldbauxitesilverleadtincopper and chromite. Central Building Research Institute has found that wollastonite can be used as substitute for chrysotile asbestos in cement products. There has been a tremendous increase in population with the result that not only the total land per capita but also the proportion of cultivated land per capita has been steadily shrinking in size.
The Survey of India is accountable for measuring geographical area of administrative units in India. It is resistant to chemical exposure.
No internet is required to watch video lessons using SD Card. Andhra Pradesh and Orissa have the same density as All-India.