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Evolution of Human Beings

  • Early humans: adjusted with the surroundings and used environmental resources

  • Quality and quantity of human needs changed over time

  • Developed techniques and new ways to use the environment

  • Settled in fertile plains of river valleys to cultivate land

  • Domesticated animals and learnt to use fire

  • Invented wheel, produced surplus food and exchanged goods

  • Processed raw materials to meet needs

  • Industrial Revolution: enabled large-scale production of goods

  • Improved means of transport and communication

  • World became a family

  • Many changes in environment due to natural processes and human activities

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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 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.