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ited, We are extracting all that we can from, , ste, of, , minerals, petroleum, natural, , jandforms, , if, , ine HM ehe rate we are doing this, all the coal, , ”, , sotroleur, wl, , jay yhe, , from the earth will finish one, , game goes for minerals., , , , are CULLIN down trees and clearing forests, we a® Sth ier, gottlements ¢ and industrial activities. This is, , , a drastic effect on the environment. It is, , eins, the need to be very careful and, , fame we PO alise, , iMPORTANT TERMS, , wise while using, the gifts of nature so that we, , can continue enjoying, them, , Geography Re, , ‘The arth Day is observed on 22nd April every year, to make each one of us aware of our responsibilities, towards the earth., , , , G How do you celebrate Earth Day?, , A slowly-moving river of ice on land, , Glacier, Hill:, valley?, Fault line:, Horst:, Graben:, , A raised area or mound of land, , subsidised, , SUMMARY, , The major landforms of thi, , Erosion and deposition by water,, , Motion along tectonic plate boundaries creates, , Mountains are natur, , ~, , 6. Plateaus are elevated, comparatively level expanses, , EXERCISES , A. Choose the correct option(s) in each of the 4., following:, 1. What causes faulting?, a) Tectonic movements b) Erosion, ©) Weathering d) Volcanic activity, > What features are made by folding? ‘, a, , a) Waterfalls, , ©) Plateaus, , b) Rift valleys, , d) Mountains, , The Himalayas, Rockies and Andes are 2., , 4) Rift valleys b) Block mountains, , ; ne fold mountains 3), ‘Nter montane plateaus, , “ams the Earth, , The place where two tectonic plates meet forming, A block of high ground that stands out because i, , The portion of the earth’s crust, bounded on, , ral elevations of the Earth’s surface rising more or less, , Plains are broad, nearly level stretches of land that have no gre., ses of land. They are rich in minerals., , A low lying place between mountains, , a weak line, s flanked by faults on two sides, at least two sides by faults, that has, , , , e Earth are mountains, plateaus and plains., wind and ice can create and destroy landforms., tall mountain belts, volcanic chains and valleys., , abruptly from the surrounding land., , at changes in elevation., , What is molten rock beneath the surface of the, , earth called?, , a) Mineral b) Lava, c) Magma d) Solid rock, Fill in the blanks:, , Aravalis and Urals are examples of ———, mountains., , A low lying area between hills and mountains is, , ae, , A fairly flat and high land, , ee, , aes, , area with no peak is a