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- 1. Multiple Choice
How is natural gas different from coal?
Natural gas is a renewable resource; coal is a fossil fuel
Natural gas is a form of petroleum; coal is extracted from coal deposits
Coal is a form of petroleum; natural gas is emitted by volcanoes
Coal is a fossil fuel; natural gas is a renewable resource
- 2. Multiple Choice
Why are the remains of ancient organisms buried so deeply within the earth? Choose the best answer.
They were swallowed up by major earthquakes
Most ancient organisms lived underground
They were buried by the meteor strike that killed the dinosaurs
They were buried by natural processes
- 3. Multiple Choice
What force is important in the creation of both coal and petroleum?
Putrefaction
Petrification
Pressure
Oxidation
- 4. Multiple Choice
How long does it take decaying organisms to transform into fossil fuels?
Decades
Millions of years
Thousands of years
Hundreds of years
- 5. Multiple Choice
How are fossil fuels taken from the earth?
Skimmed off the surface of the ocean
Through underground combustion
Through deep wells and mines
Brought to the surface using water
- 6. Multiple Choice
Which of the following is most likely to use coal as fuel?
Car
Car
Airplane
Factory
- 7. Multiple Choice
Which of these is an advantage of fossil fuels?
They do not require much processing
You can extract them without complicated machinery
Burning them does not have any negative side effects
There is an unlimited supply of them
- 8. Multiple Choice
Why is burning fossil fuels bad for the environment?
It destroys the ozone layer
It adds harmful mercury to waterways
The clouds it creates bring excess rain and flooding
The gases emitted lead to global climate change
- 9. Multiple Choice
The gases produced by burning fossil fuels usually contain which element?
Carbon
Oxygen
Hydrogen
Nitrogen
- 10. Multiple Choice
How much of the world's energy comes from renewable resources?
Less than half
More than half
All
None
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