Answer:
molecules because an water would just be H20, an atom would just be oxygen or hydrogen on its own, and droplets also refer to just liquid which oxygen is not
On day one the levels of oestrogen and progesterone are low, having dropped quickly at the end of the last cycle. Low oestrogen level causes FSH release from the pituitary gland.
To feed nutrianse to the baby. whe the mother eats that goes to the umbilical cord and gives it nutriance
Mitochondria is the answer to your questions