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2 votes
No engine is perfectly efficient because?

A.society does not need efficient engines.
B.most fuel sources create environmental damage.
C.efficiency is not a goal in most engineering projects.
D.some energy will be lost to its surroundings when running.

User FluxLemur
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5.2k points

2 Answers

2 votes

Answer:

d

Step-by-step explanation:

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User Vffuunnyy
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5 votes
b. most fuel sources create environmental change (the process of making the efficient engine will still create environmental damage)
User Alexey Rogovoy
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