Subject :NSO Class : Class 8
One word answers are given for a few statements. Mark the answer which is not correct.
A Resources which will either never run out or are replaced within a reasonable period of time - Renewable resources.
B Wise and careful use of resources by not wasting them - Conservation.
C Conversion of wood into coal over million of years due to high temperature and pressure under the earth - Carbonisation.
D A black, viscous liquid extracted from the rocks which is a source of hydrocarbons - Coal tar.
Ans 1:
Class : Class 8
Ans 2:
Class : Class 6
Ans 3:
Class : Class 10