(a) What is meant by inexhaustible natural resources ? Name two inexhaustible natural resources.
(b) What is meant by exhaustible natural resources ? Name any two exhaustible natural resources.
Some natural resources are given in a box. Classify them into the exhaustible and inexhaustible natural resources. Air, coal, natural gas, sunlight, petroleum, minerals, forests, oxygen.
From the list given below classify an exhaustible and inexhaustible sources of energy:
Wind, petroleum, coal, sunlight, tides, natural gas.