What is the difference between renewable and non-renewable resources?

Difference between renewable and non-renewable resources

RENEWABLE RESOURCES:

Renewable resources are the type of sources that gets naturally replenished over certain period of time The renewable sources of energy are wind, solar, biomass, water and Geo thermal. Renewable resources once finished can be renewed naturally

NON-RENEWABLE RESOURCES:

Non- renewable resources once finished do not get replenished. Nonrenewable sources of energy are coal, petroleum, nuclear, natural gas etc.Once the nonrenewable resource is finished there is no way it is getting back.

I'm pretty sure it's c. extremely gradual but not 100% sure though.

343^x = 49^4-xx = 4-xx+x=42x = 4x = 4/2x = 2therefore x = 2