fossil fuels: energy from the lithosphere

Question 1

where does fossil fuel energy come from

Answer 1

the lithospshere

Question 2

what is fossil fuel caused by

Answer 2

it’s the result of decomposition of organic matter

Question 3

which decomposed organic matter is fossil fuels mostly caused by

Answer 3

plants

Question 4

what are the pros of fossil fuel (4)

Answer 4

• cheapest energy
• readily available
• inexpensive to build
• can build anywhere

Question 5

what are the cons of fossil fuels (3)

Answer 5

• non renewable
• emits polluants (releases CO2, methane, sulphur dioxide, nitrogen oxide)
  -not very efficient ( heat lost in smoke)