Answer:
Part carbon part water I am poison to the fishes. Many falsely claim my name I am the pause that refreshes.
In the sun I like to play; in the rain I goes away; walk or run I always follow; in the mud I always wallow.
What has a bottom at the top?
I lose my head in the morning and regain it back at night. What am I?
Forward I am heavy backward I am not. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?