Which of the following is an example of a positive externality of air travel?

Question

Accepted Answer

Air travel allows passengers to get from one location to another much faster than other modes of travel.

Answer

Air travel promotes cultural and idea exchange, which can increase scientific breakthroughs.

Answer

Air travel requires fuel, which is a cost to the airline.

Answer

Air travel involves a significant amount of greenhouse gas emissions that contribute to global warming.

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