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In order to reduce the need for fossil fuels, scientists are studying power sources such as wind, tides, and

a. natural gas.
b. coal.
c. propane.
d. falling water.

User Cwharland
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2 Answers

7 votes

Answer:the answer would be natural gass

Step-by-step explanation:

User The Well
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6 votes
A natural gas is your answer
User Winters
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