Which two of the following choices are examples of commons?

National parks and ground water

Explanation:

In the given choices example of commons are national park and ground water. 'Commons' means public goods, which can be used by every person of the country. And such things are state owned. Use of ground water is a human right. Public goods can be used by everybody without discrimination such as:- rich- poor, male-female, etc. On the other hand private things are owned by an individual.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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