Multiple choice

Which of the following are fossil fuels?

a. Coal b. Petroleum c. Natural gas d. Biogas

  1. Only a and d

  2. Only b, c and d

  3. Only b and c

  4. Only a, b and c

  5. Only a, b and d
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. Coal, petroleum and natural gas are fossil fuels. They were formed from the remains of living organisms buried under the earth long, long ago.

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