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This is Mind blowing: Oil and Gas may not be 'fossil fuels', but rather a renewable energy source created by a geothermal reaction between the solid mantle and the liquid core.Most people believe that oil and gas—often called fossil fuels—are made from the remains of dead plants and animals that got buried deep underground and turned into fuel over millions of years. But this text describes another theory that says oil and gas might not come from fossils at all.According to this theory, oil and gas are created deep inside the Earth through natural reactions between the Earth's solid mantle and its liquid core. This process is called the abiogenic petroleum origin hypothesis. It says that instead of coming from old living things, oil and gas form from non-living materials inside the Earth.After these substances form deep in the Earth, they slowly move upward through cracks in the Earth's crust. Eventually, they gather in different kinds of rocks and form the oil and gas deposits we drill for.Even though this theory has been clearly explained and studied, most scientists still believe the more traditional idea—that oil and gas come from ancient life—is correct. There is a lot of strong evidence supporting that view.However, scientists have done lab experiments where they recreated the high-pressure and high-temperature conditions of the Earth's mantle. In those experiments, they were able to make hydrocarbons, the basic ingredients of oil and gas, using only non-living materials like carbon, water, and iron. This shows that it's at least possible for oil and gas to form without any fossil remains.