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Fossil Fuels

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Introducing energy resources

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Crossword clues

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The power to do work or make things move
4 Across
Fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period
5 Across
The remains of a plant or animal that existed in a past geological age and that has been excavated
7 Across
Substance used in or made by chemistry
8 Across
A dark oil consisting mainly of hydrocarbons
10 Across
State of matter that fills any space, like air
12 Across
From crude petroleum
13 Across
A flammable hydrocarbon oil used as fuel in lamps and heaters
14 Across
German engineer who invented the ___ engine
15 Across
A substance that can be consumed to produce energy
1 Down
A fertilizer that is derived from animal or vegetable matter
2 Down
A volatile flammable mixture of hydrocarbons derived from ___
3 Down
Capable of being ___
6 Down
State of matter that flows like water
9 Down
Available source of wealth
11 Down

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