Answer:
Part carbon, part water, I am poison to the fishes. Many falsely claim my name, I am the pause that refreshes. What am I?
I go from house to house a messenger small and tight. Whether it rains or snows I sleep outside at night.
I march before armies a thousand salute me. My fall can bring victory but no one would shoot me. The wind is my lover one-legged am I. Name me and see me at home in the sky.
Light hides me and darkness kills me. What am I?
What has one head one foot and four legs?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.