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Machines become more efficient when ______ is reduced.
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5 votes
Machines become more efficient when ______ is reduced.

User Reed Hedges
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2 Answers

5 votes

Answer:

energy/fossil fuels

Step-by-step explanation:

the use of fossil fuels is inefficient, therefore when machines are able to operate at a reduced consumption rate, it will be more efficient.

User Raajpoot
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6.8k points
6 votes

Answer: Friction was reduced because lubricants can make machines more efficient.

User Tambalolo
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