Drivers and Bicyclists Quiz

Question 1
Of the following, which is the best summary of the main article?

Question 2
The blogger feels that bicyclists annoy motorists because

Question 3
If an office worker never brings morning donuts, but always eats whatever others contribute, the office has a(n)

Question 4
Who ultimately benefits from altruistic punishment?

Question 5
According to the Wikipedia article, how do free riders affect team performance?

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