Question

What is air? What are it's characteristics? ​

Answer 1

Air is a heterogenous mixture of gases, which we encloses the Earth. The atnosphere of Earth is made up of air.

Air contains 78% of Nitrogen, 21% of Oxygen, 0.03% of Carbon Dioxide, and the rest contains other gases.

Air is a medium through which sound waves can be transferred.

Answer 2

Answer:

Air is a mixture of gases, water vapour and other substances....

its characteristics :

• It is made up of gases
• It has mass
• It exerts pressure
• it has weight
• it can be compressed....

Hope it helps you....☺️☺️