Question

Describe two characteristics of air?​

Answer 1

Answer:

Air is made up of gases. Air has mass. Air exerts pressure and has weight. Air can be compressed

Answer 2

Answer:

$\huge\mathfrak\green{Answer:}$

Characteristics of air :

i). Air has weight - Because the weight of air varies with pressure and temperature it has to be defined accurately.

ii). Air is under pressure - Air is under pressure; this is caused by gravity. Air pressure at sea level is approximately 1013 mbar, which is about the same as 14.7 psi.

Explanation:

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