What is air?

Air is a mixture of gases that make up Earth's atmosphere. It is primarily composed of nitrogen (about 78%) and oxygen (about 21%), with small amounts of other gases such as carbon dioxide, argon, and water vapor. Air is essential for life on Earth, as it provides the oxygen needed for respiration and supports various natural processes.

Air is a colorless, odorless, and tasteless mixture of gases that surrounds the Earth. It is made up of approximately 78% nitrogen, 21% oxygen, and 1% other gases, including argon, carbon dioxide, and water vapor. Air is essential for life on Earth, as it provides the oxygen that humans and other animals need to breathe.