Answer:
Why is it so easy to weigh fish?
My first though water cures no thirst my next alone has soul and when he lives upon my first he then is called my whole.
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
I am gentle enough to soothe your skin light enough to fly in the sky and strong enough to crack rocks.
Searing 'cross the pitch-black skies I scream in celebration Yet moments later my outburst through I am naught but imagination.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?