Think of a system from your life. What is it? Is it physical or social? Tell why.

social

Explanation:

the rain is because I'm more of the talkitive and chill one rather than a physical affection kind of person. So like this whole quarantine thing it works out because I can still talk to people but seeing people face to face is better than screen to screen

6.4 cm (max) - 25 cm (min)

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.