fossil fuels

• What are the main fossil fuels used for energy?

  Coal, oil, and gas
• Why do fossil fuels supply around 80% of the world's energy needs?

  They have several advantages over other sources
• What are the advantages of using fossil fuels?

  • Reliable energy supply
  • High energy release
  • Abundant resources
  • Versatile applications (transport, electricity, heating)
• What is the first advantage of fossil fuels?

  They are reliable energy sources
• How do fossil fuels compare to renewable sources in terms of reliability?

  Fossil fuels provide energy when needed
• Why are fossil fuels considered extremely useful for air travel?

  They release a great deal of energy
• What is the third advantage of fossil fuels?

  They are abundant resources
• Why are fossil fuels relatively cheap?

  Because they are abundant in supply
• What does it mean that fossil fuels are versatile?

  They can be used for various applications
• What is the first disadvantage of using fossil fuels?

  They release a huge amount of carbon dioxide
• How do fossil fuels contribute to climate change?

  By releasing carbon dioxide when burned
• What does it mean that fossil fuels are non-renewable?

  They are not replenished as used
• What is the implication of fossil fuels being non-renewable?

  They will eventually run out
• What pollutants can be released from burning fossil fuels?

  Carbon particles and nitrogen oxides
• What dangerous substance is produced by burning coal?

  Sulfur dioxide
• What environmental issue is caused by sulfur dioxide?

  It leads to acid rain
• What are the disadvantages of using fossil fuels?

  • Releases carbon dioxide contributing to climate change
  • Non-renewable and will eventually run out
  • Releases pollutants harmful to human health