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Punjab Board 8th General Science New Book Ch. 1

Ecology

1 Full Book Introduction 1 Lectures - 10:53

Full Book Introduction 10:53

2 Carbon Dioxide and Oxygen 1 Lectures - 09:31

Carbon Dioxide and Oxygen 09:31

3 Energy Flow in the Ecosystem 1 Lectures - 11:30

Energy Flow in the Ecosystem 11:30

4 Ecologyical Pyramid 1 Lectures - 07:08

Ecologyical Pyramid 07:08

5 Ecologyical Interdependence 1 Lectures - 12:17

Ecological Interdependence 12:17

6 Environmental Problems 1 Lectures - 11:48

Environmental Problems 11:48

7 Solutions of Environmental Problems 1 Lectures - 06:09

Solutions of Environmental Problems 06:09

8 Ecology Exercise 1 Lectures - 14:53

Ecology Exercise 14:53

Punjab Board 8th General Science New Book