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pressure and heat
Erm it is margine and olive oil which can be turned into fuels
The ferns have been compressed into 'coal' and we use coal as a source of energy - hence 'fossil fuels'.
thousands and thousands, there fossil fuels
I think I understand your question... Fossil fuels are simply fuels made from or containing a substance that was naturally aged and produced by the earth. Oil is a composite that the earth makes over thousands and thousands of years
Combustion.
No, they take thousands and thousands, possibly millions of years (the point is, an incredibly long time).
They are the cause of the formation of fossil fuels
fossil fuels are from dead plants that have been in the ground for thousands of years
When fossil fuels are burned, they release energy stored years ago.
Dead plants turned into oil :) hope this helped.
Fossil Fuels