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What was the earliest energy source for humans? A. coal B. oil C. natural gas D. wood
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What was the earliest energy source for humans?

A. coal
B. oil
C. natural gas
D. wood

User Tuff
by
2.3k points

2 Answers

23 votes
23 votes

Answer:

wood, hope this helps :)

Step-by-step explanation:

User KP Chundawat
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3.2k points
15 votes
15 votes

Answer:

i think its oil

Step-by-step explanation:

It was made & used as early as the fourth century BC.

User DroidLearner
by
2.9k points
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