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2 votes
Which of the following is not one of the three largest sources of materials needed to form carbon compound?

A.natural gas

B.petroleum

C.coal

D.wood

2 Answers

3 votes
B.petroleum I believe this is correct it may not be hope it helps
User Pengman
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4 votes
D.

Wood is not used as much as the others to produce carbon-containing compounds.
User Simon Kissane
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