Imagine a region with abundant ancient plant remains, frequent earthquakes, and thick rock layers. Which fossil fuel is most likely to be found there and why?
Coal, because these conditions favor coal formation from ancient plants
Coal was formed from the remains of vast ancient forests. Natural processes such as earthquakes and floods buried these plants under soil and thick layers of rock.
Under high pressure and temperature, and in the absence of air, the buried plant material slowly changed into coal (carbonisation).
Petroleum and natural gas, by contrast, formed from tiny sea organisms buried on the sea bed, not from land plants, and fossil fuels do form underground from buried biomass.
Hence, the answer is Coal, because these conditions favor coal formation from ancient plants.
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