(i) Resources which can be renewed or reproduced
by physical, chemical or mechanical processes.
(ii) They get renewed over a short period of time.
(iii) They are unlimited and are not exhaustible.
(iv) They are further divided into continuous or flow.
(v) E.g. Water, wind, forests, wildlife, soil, solar energy.
(i) Resources which cannot be renewed or reproduced.
(ii) They occur over a very long geological (millions of years).
(iii) They are limited in their availability and are exhaustible.
(iv) These are divided into recyclable and non-recyclable
(v) E.g. minerals and fossil fuels.