What can we say about machines
and engines?
A. Friction increases fuel efficiency.
B. T...
Chemistry, 25.02.2021 08:10, jasjoh39p0rp6i
What can we say about machines
and engines?
A. Friction increases fuel efficiency.
B. There is no friction.
C. The process of overcoming friction uses
valuable fuels.
D. Friction is unlikely.
Answers: 1
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