Chp 13 Man and His Environment
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LEC#5 DEGRADATION AND DEPLETION OF RESOURCES
17:02

LEC#5 DEGRADATION AND DEPLETION OF RESOURCES

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LEC#2 RENEWABLE RESOURCES
29:18

LEC#2 RENEWABLE RESOURCES

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LEC#7 IMPORTANCE OF FORESTS
20:29

LEC#7 IMPORTANCE OF FORESTS

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LEC#8 POLLUTION + OZONE DEPLETION
24:13

LEC#8 POLLUTION + OZONE DEPLETION

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LEC#9 GREEN HOUSE EFFECT + ACID RAIN
19:48

LEC#9 GREEN HOUSE EFFECT + ACID RAIN

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LEC#10 WATER POLLUTION
18:24

LEC#10 WATER POLLUTION

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LEC#11 INSECTICIDES, HERBICIDES AND FERTILIZERS
16:33

LEC#11 INSECTICIDES, HERBICIDES AND FERTILIZERS

LEC#1 INTRODUCTION
23:28

LEC#1 INTRODUCTION

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LEC#4 ENERGY (PART-B)
15:38

LEC#4 ENERGY (PART-B)

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LEC#3 ENERGY (PART-A)
20:25

LEC#3 ENERGY (PART-A)

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LEC#6 MANS IMPACT ON ENVIRONMENT
15:02

LEC#6 MANS IMPACT ON ENVIRONMENT

LEC#1 INTRODUCTION

1 year ago
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