Some causes could be the mother smoking, drinking, doing drugs etc. Or even simply her body doesn’t fully accept the baby growing inside her so it acts out against it. Sounds strange but it happens. Also if the mother is sick with Zika or another virus, it can harm the baby’s growth.
Remind the parents to observe the child for :
1. excessive bleeding.
2. infection at the surgical incision site.
If any of these are observed, the child should get immediate medical attention.
If u are specificly talking about water in the air space of the leaf going out into the atm , than that's called simple diffusion .
Answer:
Four hydrogen nuclei join to form a helium nucleus, two neutrinos, and energy.
Hope this help