Give two 2 properties of air.?

1. Air is a mixture of gases, primarily nitrogen (about 78%) and oxygen (about 21%), with small amounts of other gases such as carbon dioxide, argon, and water vapor.

2. Air is a fluid, meaning it can flow and take the shape of its container. It also exerts pressure on objects within it, which is known as atmospheric pressure.

1. Air is transparent: Air doesn't absorb, reflect, or scatter most of the light that passes through it, making it nearly invisible to the human eye.
2. Air is compressible: Air can be compressed into a smaller volume by applying pressure, and it will expand to fill a larger volume if the pressure is released.