Air, water and minerals are called____ resources because they are provided by nature and cannot be produced by human beings.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a term that describes air, water, and minerals, emphasizing that these resources are provided by nature and cannot be produced by humans.

2. **Identifying the Characteristics**: We need to identify the characteristics of the resources mentioned:
- They are naturally occurring.
- They cannot be manufactured or created by human effort.

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