asked 235k views
4 votes
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.

answered
User William Juan
by
8.2k points
1 vote
biogas is the answer
answered
User Kangwei Xiao
by
8.9k points
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