Answer:
I open to close but I close to open. I'm surrounded by water but I'm never soaking. What am I?
Soft, hairy, from door to door. I am the pet that always stays on the floor. What am I?
I cause involuntary movements in your vehicle
Sometimes I fly as fast as the speed of light. Sometime I crawl as slow as a snail. Unknown until I am measured but you will certainly miss me when Iβm gone.
You use a knife to slice my head but you weep beside me when I am dead
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?