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

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Natural-Gas Natural Gas

1. Natural Gas
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What-is-a-Fuel-and-Fuel-Efficiency What is a Fuel and Fuel Efficiency

2. What is a Fuel and Fuel Efficiency
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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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4

5 Topic(s)

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How-to-reduce-GreenHouse How to reduce GreenHouse

1. How to reduce GreenHouse
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Water-Pollution Water Pollution

2. Water Pollution
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Portable-water Portable water

3. Portable water
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Water-Purification Water Purification

4. Water Purification
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Causes-of-Deforestation Causes of Deforestation

5. Causes of Deforestation
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Combustion and Flame Combustion_and_Flame Combustion and Flame
Chapter 3 - Combustion and Flame
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2

3 Topic(s)

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Types-of-Combustion Types of Combustion

1. Types of Combustion
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How-to-Control-Fire How to Control Fire

2. How to Control Fire
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Combustion Combustion

3. Combustion
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Chemical Effects of Electric Current Chemical_Effects_of_Electric_Current Chemical Effects of Electric Current
Chapter 4 - Chemical Effects of Electric Current
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1 Topic(s)

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Electroplating Electroplating

1. Electroplating
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Materials :Metals and Non-Metals Materials_:Metals_and_Non-Metals Materials :Metals and Non-Metals
Chapter 5 - Materials :Metals and Non-Metals
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2 Topic(s)

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Uses-of-Metals-and-Non-Metals Uses of Metals and Non-Metals

1. Uses of Metals and Non-Metals
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Chemical-Properties-of-Metals-and-Non-Metals Chemical Properties of Metals and Non-Metals

2. Chemical Properties of Metals and Non-Metals
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