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9 July, 17:49

Which of the following is another way to say that, in energy transforms, some energy is always converted unusable or unwanted forms?

A. the entropy of a system tends to decrease overtime.

B. energy transforms are never 100% efficient

C. the energy in a system is always constant

D. energy transfers are always 100% efficient

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  1. 9 July, 17:53
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    Option B. By not being 100% efficient, it shows that some energy is lost to unusable or unwanted sources
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