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Our Changing Earth

Lesson 4 of 13 • 2190 upvotes • 14:40mins

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Arpita Prakash

This lesson deals with two most important theories - Continental Drift Theory and Theory of plate tectonics.It also has detailed sections on volcanoes and earthquakes.

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1

Overview: Online NCERT Summary

5:51mins

2

Environment

11:57mins

3

Inside our Earth

14:01mins

4

Our Changing Earth

14:40mins

5

Major Landforms

14:59mins

6

Air: Composition and Structure

14:11mins

7

Weather and Climate

13:52mins

8

Water: Source and Ocean Circulations

14:28mins

9

Natural Vegetation and Wildlife

13:28mins

10

The Human Environment

11:56mins

11

Life in the Tropical and Subtropical Regions

11:23mins

12

Life in the Temperate Grasslands

10:46mins

13

Life in the Desert

8:41mins

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