Fossil fuels, such as oil, coal, and natural gas, are the main sources of energy today, despite the availability of renewable options like biomass and geothermal energy.
Fossil fuels are the primary source of most of the energy used today. They include oil, coal, and natural gas, which are the remains of plants and animals that stored the Sun's energy millions of years ago. Despite efforts to increase the use of renewable energy sources like biomass and geothermal, fossil fuels still dominate global energy production, contributing to over 80% of the total energy expended.
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