Resources on the basis of origin :
- Biotic resources: Resources obtained from the environment are called biotic resources. For example-trees, animals and insects.
- Abiotic resources: Resources obtain from nonliving things present in our environment are termed as abiotic resources. For example-earth, air, water, metals, rocks, etc.
Resources on the basis of exhaustibility:
- Renewable resources: The resources which have the ability to renew them over period of time or can be reproduced by physical, chemical or mechanical processes are known as renewable resources. For example-solar and wind energy, water, forest and wildlife, etc.
- Non-renewable resources: Resources which cannot be renewed or reproduced by any physical, chemical or mechanical process are known as nonrenewable resource. For example- water, wind, tidal energy, etc.