Here's why:
* Natural: It emphasizes that the material is found in nature, not created by humans.
* Resource: It highlights the material's potential usefulness to humans.
Some examples of natural resources include:
* Renewable resources: These can be replenished over time, such as sunlight, wind, water, and trees.
* Non-renewable resources: These are finite and cannot be replenished at a rate comparable to their consumption, such as fossil fuels and minerals.
