What is meant by sources of energy? Give 2 examples.
The different sources from which we can obtain various types of energy are meant by sources of energy. The 2 examples are:
- Sun --> Perpetual source
- Fossil fuel --> Non-renewable source
What is a fossil fuel? Give two examples.
The fuel formed from the fossils of plants and animals buried under the earth's crust for a long time is called fossil fuel. Any two examples are: