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stars_and_moon stars_and_moon
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Posts: 3218
7 years ago
Externalities
A) can only be negative.
B) can only be positive.
C) can be either negative or positive.
D) can be neither negative nor positive.
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kingbykingby
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Posts: 3218
7 years ago
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wrote...
7 years ago
I compared your answer with a buddy, and it matches

Thanks
wrote...
7 years ago
Yup, vote with confidence!
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