Answer:
I go in hard come out soft. Blow me hard and Iβll make a pop.
The more you have me the less you see. Shine a light on me and I shall flee.
I go up and I go down, towards the sky and the ground. Iβm present and past tense too, letβs go for a ride, me and you. What am I?
I help boats park
I always run but never walk often murmur but never talk have a bed but never sleep has a mouth but never eat.
The warmer I am the fresher I am.