Petroleum Is a Fossil Fuel Containing Many Different Carbon Compounds

question 68

Multiple Choice

Petroleum is a fossil fuel containing many different carbon compounds.If the carbon atoms in petroleum have been in the ground for 100 million years, what fraction of the initial ¹⁴C atoms is still there? (t_1/2 = 5,370 yr)

• A)0
• B)1 × 10^-10
• C)5.7 × 10^-5
• D)1.0 × 10^-3
• E)5.7 × 10^-1

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