Answer:
I carry you down a gentle stream.
In Paris but not in France the thinnest of its siblings.
Crooked as a rainbow and slick as a plate ten thousand horses can't pull me straight.
What is made of water but if you put it in water it will die?
A single syllable do I claim black was my most famous name; Fetal to mortals here below thousands have I slain in a single blow.
What never gets any wetter no matter how hard it rains?
What am I?
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