Which of the following is an example of a positive externality? Group of answer choices permitting smoking on commercial airplanes raising the speed limit to 60 mph in school zones planting trees along a sidewalk which add beauty and create shade a police department stops enforcing DUI laws

The correct answer is letter "C": planting trees along a sidewalk which add beauty and create shade.

Explanation:

Externalities are the effects of the actions of individuals or organizations that influence others without those others having to be involved in the individuals' or entities' activities. Externalities are positive if they benefit others or negative when they affect other individuals.

Thus, planting trees along a sidewalk which adds beauty and creates shade is a positive externality because others benefit from the planting not necessarily being involved in purchasing, planting, or watering the trees.

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administrative jobs normally have someone answering phone calls and scheduling appointments, filing patient or customer information, making sure the front of the office looks nice to those who enter the building. administrative jobs can also include making sure the manager has everything they need for meetings, making delivers and much more. administrative jobs are important to most businesses as are customer service focused as they are often one of the first impressions a consumer sees of a business.