You have already learned a little about Earth’s atmosphere – its five layers, and some of its important properties like temperature and wind. Now we wonder, What types of gases make up the air around us? Today, we will learn about some of the important types of gases that make up the atmosphere. We will also learn about the cycles that enable those substances to move around the Earth and its atmosphere.
Exercise 1
What are the five main gases that make up the atmosphere?





Lesson 3 (Student)



