No... Down Syndrome is a chromosome deficiency that happens during conception when a spem and egg fertilize. Sometimes the X and Y Chromosomes don't add up correctly and can (sadly) cause this deficiency. Water in the mother's lungs can cause pneumonia which can potentially harm the fetus due to lack of oxygen. But this cannot cause down Syndrome. Water in the baby's lungs will also not cause Down Syndrome.
Answer:
The way animals are killed, what they are put through, and their own health.
Explanation:
-Sclerosis indicates abnormal hardening. Hope this is what you were looking for!
I believe the answer is 41 and colder, especially for things like thawed meat, leftovers, and anything dairy based :) Hope this helped, at least a little bit