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 mineral oil? Give any three advantages of mineral oil.
The liquid formed of fossil fuels such as petrol, diesel, and so on is called mineral oil. Any three advantages are: