NCERT 8th Class (CBSE) Science: Coal and Petroleum – Quiz
22 Multiple Choice Questions related to NCERT 8th Class (CBSE) Science: Coal and Petroleum – Quiz:
- Material found on the earth that allow the existence of life and satisfy the needs of living organisms are called natural resources.
- Renewable resources are those that will either never run out, or those that are replaced within a reasonable period of time through natural processes.
- Non-renewable resources are those which once used up cannot be replaced within a reasonable period of time.
- Conservation is the wise and careful use of resources. It means not wasting the resources, and also maintaining their quality.