Question

.Wht is air???????????????​

Answer 1

Explanation:

Air is the invisible mixture of gases that surrounds the Earth. Air contains important substances, such as oxygen and nitrogen, that most species need to survive. ... Standard Dry Air is made up of nitrogen, oxygen, argon, carbon dioxide, neon, helium, krypton, hydrogen, and xenon.

Answer 2

Answer:

Air is the invisible mixture of gases that surrounds the Earth. Air contains important substances, such as oxygen and nitrogen, that most species need to survive. ... Standard Dry Air is made up of nitrogen, oxygen, argon, carbon dioxide, neon, helium, krypton, hydrogen, and xenon.

A mixture of various gases such as nitrogen, oxygen, carbon dioxide, water vapour and a few other gases is called air. Air may contain some dust particles and oxygen present in the air to support burning. Air is necessary for the survival of living organisms including plants, animals and microorganisms