Answer:
Natural resources pre-exist and are not produced by humans, whereas; capital resources are produced to create other goods and services.
Step-by-step explanation:
A natural resource exists in nature. 
Some examples are:
- Water
- Oil, 
- Coal, 
- Natural gas
- Metals 
- Stone
- etc.
A capital resource is produced and supplied for those who demand it. Some examples are:
- Office buildings
- Tools
- Vehicles
- Cutlery
- Clothing inventory
- etc.