It is always necessary to analyze research for bias
<span>Colostrum
is replaced by transitional milk in about 2 to 4 days after birth. This milk
contains high levels of lactose, fat, vitamins and more calories than the
colostrum. Mature milk replaces the transitional milk and begins to appear near
the end of the second week after childbirth. Mature milk contains more water than
transitional milk.</span>
The build up in the child's ear prevent sound from reaching the eardrum.
Answer:
the definition of migration is option B
I'm not sure but I think the producers are the shrubs and the elm tree.