T he practice by which a powerful country controls another country or countries, in order to become richer


Moving from one place to another rather than living in one place all of the time


 Wooden planks laid across railway tracks ; they hold tracks in position

Scientific Forestry

A system of cutting trees controlled by the forest department, in which old trees are cut and new ones planted

Shifting cultivation

Parts of the forest are cut and burnt in rotation.

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Davneet Singh's photo - Co-founder, Teachoo

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.