it depends on what you are looking at. a mineral (ex. diamonds, salt, etc.) are nonrenewable, it would take thousands of years for them to grow back. but as such other natural resources like trees...
No and yes in a way, you see stone takes millions of years to build up in the ground by gathering little particles of sand, dust ect. and eventually becoming rock or stone. if you put some DRY sand...
Fossil fuels are natural resources that not easily renewable because it requires organic matter to be buried at great depths for millions of years to be produced. They are classified as non-renewable...