Currently the biogenic theory is the leading explanation for the formation of fossil fuels and it’s believed that the petroleum we most commonly use took anywhere from 1 million to 1 billion years to form and represents a wide spectrum of useful petroleum and natural gas products including methane, propane, butane, hexane, octane and others
B. Energy was conserved because the light energy was transformed into various forms in the process.
Explanation:
Law of Conservation of Energy states that energy cannot be created nor destroyed. However, it can transform into other types of energy. B is the only answer that follows the Law of Conservation of Energy.