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Coal and Petroleum Coal_and_Petroleum Coal and Petroleum
Chapter 1 - Coal and Petroleum
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1 Topic(s)

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tamil--Fossil-Fuels-Part-2-OIL tamil Fossil Fuels Part-2 OIL

1. tamil Fossil Fuels Part-2 OIL
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Pollution of Air and Water Pollution_of_Air_and_Water Pollution of Air and Water
Chapter 2 - Pollution of Air and Water
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6 Topic(s)

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Methane--Green-house-gas-Tamil Methane- Green house gas-Tamil

1. Methane- Green house gas-Tamil
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ozone--Green-house-gas-Tamil ozone- Green house gas-Tamil

2. ozone- Green house gas-Tamil
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Chloro-fluro-carbon-Green-house-gas Chloro Fluro Carbon Green house gas

3. Chloro Fluro Carbon Green house gas
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Carbon-Dioxide--Green-house-gas-Tamil Carbon Dioxide- Green house gas-Tamil

4. Carbon Dioxide- Green house gas-Tamil
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Water-vapour--Green-house-gas-Tamil Water vapour- Green house gas-Tamil

5. Water vapour- Green house gas-Tamil
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What-are-Green-house-gases--Tamil What are Green house gases-Tamil

6. What are Green house gases-Tamil
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