CBSE Class 7 Geography Notes Chapter 4: The term "air" refers to the general mixture of gases that make up the atmosphere of Earth. In addition to oxygen, water vapour, argon, carbon dioxide, and trace gases, this gas is mostly nitrogen. All living things need air to survive.
The CBSE Class 7 Geography chapter 4 on air provides a detailed explanation of the atmosphere's makeup, structure, weather, and climate, among other topics. We have created CBSE Class 7 Geography notes for Chapter 4 based on the ideas presented in the relevant chapter. Before writing the exam, it's a good idea to quickly review these notes.CBSE Class 7 Geography Notes Chapter 4 PDF
Carbon dioxide is an additional significant gas. Carbon dioxide is used by green plants to produce food and oxygen. Either animals or humans emit carbon dioxide. There appears to be a perfect balance between the quantity of carbon dioxide that plants use and the amount that humans and other creatures release.