need help with this pppp

Psychology
Tutor: None Selected Time limit: 1 Day

Which one of the following is the best example of an abstract concept rather than a concrete concept? green 

pleasure

rectangle

cantaloupe

Nov 25th, 2014

rectangle

Nov 25th, 2014

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Nov 25th, 2014
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Nov 25th, 2014
Dec 8th, 2016
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