Q22 of 141 Page 14

Explain why fossils fuels are classified as non-renewable sources of energy.

Fossil fuels are present in limited amounts in the earth and they cannot be replaced quickly when exhausted. Hence they are called non-renewable sources.

More from this chapter

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20 What constitutes a source of energy? 21 State the two forms in which energy is mainly utilized at our homes. 23 Name any two renewable sources of energy. 24 Why is the use of wood as a fuel not advised although forests can be replenished?