The correct option is
D Renewable and non-renewable resources
- Biodegradable resources are the ones that can be broken down into simpler substances by the action of microbes.
- Renewable resources are the ones that can be replenished in nature over a period of time.
- Non renewable resources are the ones that can not be replenished in nature over a period of time or they may be replenished but over a very longer period of time.
Minerals are considered to be renewable resources whereas metals are considered to be non-renewable resources.
So, the correct answer is 'Renewable and non-renewable resources'.