What is an example of a renewable energy source?

A renewable energy source is one that can be replenished naturally in a relatively short period of time. Waves, as a form of energy, are generated by wind blowing over the surface of the ocean and can be harnessed for electrical power through technologies such as wave energy converters. This means that as long as the wind blows and the sun shines, waves will continue to occur, making them a sustainable option for generating electricity. The continuous natural process allows for ongoing accessibility and use without depleting the resource.

In contrast, oil and gas are fossil fuels formed over millions of years from the remains of ancient plants and animals. They are finite resources that, once used, cannot be quickly replaced. Chemical energy typically refers to the energy stored in the bonds of chemical compounds, often derived from non-renewable resources, which does not fit the definition of renewable energy. Thus, waves stand out as a clear example of a renewable energy source due to their sustainable and replenishable nature.