Drag the phrase to indicate which fossil fuel it describes. A phrase may be used more than once.

- Extracted through drilling

- Formed from the remains of ancient marine plants and animals
- Carbon-rich sedimentary rock
- Most commonly used fuel for electricity generation
- Non-renewable resource
- Produced by the decomposition of organic matter over millions of years
- Main source of greenhouse gas emissions
- Found in underground reservoirs
- Can release sulfur dioxide and mercury when burned

Coal:
- Carbon-rich sedimentary rock
- Most commonly used fuel for electricity generation
- Non-renewable resource
- Produced by the decomposition of organic matter over millions of years

Oil (Petroleum):
- Extracted through drilling
- Formed from the remains of ancient marine plants and animals
- Main source of greenhouse gas emissions
- Can release sulfur dioxide and mercury when burned

Natural Gas:
- Extracted through drilling
- Carbon-rich sedimentary rock
- Produced by the decomposition of organic matter over millions of years
- Found in underground reservoirs
- Can release sulfur dioxide and mercury when burned