The correct answer is hundreds of millions of years. Fossil fuels such as coal, oil, and natural gas were formed from the remains of ancient organic matter over geological time scales, typically taking from tens of millions to hundreds of millions of years.
How long did it take our planet to produce the fossil fuels we're using today?
2 points
hundreds of years
thousands of years
hundreds of thousands of years
hundreds of millions of years
1 answer
1 answer