The subject of the air encompasses a wide range of important elements. Air | Composition, Oxygen, Nitrogen | Britannica. Air, mixture of gases comprising the Earth’s atmosphere. The mixture contains a group of gases of nearly constant concentrations and a group with concentrations that are variable in both space and time.
- Center for Science Education. Air is a mixture of naturally occurring gases and human-made air pollutants. Learn more about these gases and the role they play in our atmosphere. This perspective suggests that, the Air Current is a subscription-based aviation news service that combines the highest standards of journalism with the level of technical detail and rigor expected by a sophisticated industry audience. Air - National Geographic Society.
Air is the invisible mixture of gases that surrounds Earth. Air contains important substances, such as oxygen and nitrogen, that most species need to survive.
📝 Summary
As demonstrated, the air represents a valuable field that merits understanding. Moving forward, continued learning about this subject will deliver additional understanding and value.