Answer:
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
Explanation:
Reference: www.sclubricants.com/fossil-fuels-oil/
The conclusion is the gathering and understanding of the data that has been collected
So they all got LEU, SER
Three first got GLU at the sam place
The one least related must be organism number 4.
Hope that helped.