Answer:
Why is it so easy to weigh fish?
Part carbon part water I am poison to the fishes. Many falsely claim my name I am the pause that refreshes.
I am an odd number. Take away a letter and I become even. What number am I?
When I get closer my tail grows longer but when I go away my tail leads the way.
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word. What am I?
What never gets any wetter no matter how hard it rains?