What are the natural resources and how to conserve them?

Natural Resources are basically resources that are created by the Earth itself.

Example: Metal, Copper, Gasoline

All of those are resources that were naturally made, no human interference involved.

How to Conserve them:

Well, technically there is no way. One day, all the natural resources that we depend on will be gone. The only way is to not use so much and to try not to waste it.