Non-renewable energy resources
2 marks · NormalState two reasons why fossil fuels are described as non-renewable.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
1. They take millions of years to form. 2. They cannot be replenished within a human lifetime or as fast as they are used.
Show mark scheme and worked solution
Marking points
B1 · 1 mark · One correct reason (e.g. take millions of years to form).
B2 · 1 mark · Second correct reason (e.g. cannot be replenished quickly/enough).
Worked solution
Fossil fuels are classed as non-renewable because they take millions of years to form and cannot be replaced as quickly as they are used up.