Wood is commonly used as a fuel in the forms of
When talking about types of coal from least amount of heat and carbon content to most heat and carbon, put these in order.
Anthracite
Bituminous coal
Lignite
Peat
Natural gas is made up mostly of
What makes up tar sands?
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Use the PPT to fill in the years when changes happened to affect average MPG.
Using the graph, answer the questions.
Fuel economy fluctuates in response to
What is a network of interconnected transmission lines that connect power plants together and link them with end users called?
The process of cogeneration combines ____________ & __________ to generate electricity and produce heat
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