There is no single "one" natural resource. There are many different types of natural resources, each with its own unique properties and uses. Here are some examples:

* Renewable resources: These resources can be replenished naturally over time, such as solar energy, wind energy, water, forests, and fish.

* Non-renewable resources: These resources are finite and cannot be replenished at a rate comparable to their consumption, such as fossil fuels (coal, oil, natural gas), minerals, and metals.

It's important to consider the specific context when talking about natural resources. If you have a specific situation in mind, I can provide more specific information.