Answer:
the correct answer is the second option
I just need this for I can post my question sorry
Answer:
A. 90%
Explanation:
Only 10% can transfer from level to level.
The pit that marks the location of the umbilical cord after birth is known as the navel or belly button. All animals that grow placenta during fetal development will have a navel or belly button. The scientific name of the structure is the umbillicus. It can be a depression in some individuals or raised in others.
The scientific theory of evolution states that populations change over time in response to changes in the enviroment
