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7. Which is NOT a fossil fuel?

a. crude oil
C. lignite
b. bituminous coal
d. biogas

2 Answers

4 votes

Answer:

Biogas is not a fossil fuel

Step-by-step explanation:

Biogas differs from natural gas in that it is a renewable energy source produced biologically through anaerobic digestion rather than a fossil fuel produced by geological processes. Biogas is primarily composed of methane gas, carbon dioxide, and trace amounts of nitrogen, hydrogen, and carbon monoxide.

User William Juan
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1 vote
biogas is the answer
User Kangwei Xiao
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