Revision notes for class 9 chapter 14 natural resources is given here. Revision is one of the most important parts of the study. Revising the chapter will help the students to recollect the concepts what they have learned so far. Educational experts advise students to revise the topics before a night of exam so that they can develop a confidence when they will be going to write the exam. The chapter natural resources make students familiar with the various types of natural resources present in our environments like the water, the air, trees and many more.
|Acid Rain||Air Pollution|
Frequently asked Questions on CBSE Class 9 Science Notes Chapter 14: Natural Resources
What is ‘Acid rain’?
Any form of precipitation with acidic components, such as sulfuric or nitric acid that fall to the ground from the atmosphere in wet or dry forms is called ‘Acid rain’.
What are the ways to prevent ‘Air pollution’?
1. Reduce unnecesary usage of vehicles.2. Elimate fireplaces in houses.3. Avoid burning of lawn, leaves and use other methods for cleaning.
What is ‘Water pollution’?
Water pollution is the contamination of water sources by substances which make the water unusable for drinking, cooking, cleaning, swimming and other activities.