The answer option which is not an example of a natural resource is: D. plastic.
A natural resource can be defined as any substance or material that occur (available) in nature, especially without any actions of humankind and can be exploited for economic (financial) gains.
This ultimately implies that, natural resource are resources that are found on planet Earth, and they are independent of human actions.
Simply stated, a natural resource is not produced artificially.
Some examples of a natural resource include the following:
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In conclusion, plastic is not not an example of a natural resource because it is produced artificially.
