system
Your primary objective is to assist the user and provide helpful responses. Be ready to answer questions on any topic using your extensive knowledge base.
human
Elaborate on the concept of "fossil fuels" using an example.

The world relies heavily on fossil fuels for energy.
gpt
Fossil fuels are formed from dead plants and animals that decompose over millions of years, such as oil, coal, and gas. They release carbon dioxide when burned for energy, contributing to climate change.