Answer:The placenta begins to develop to provide food and oxygen.
Explanation:
I would say b., mostly because it is good to have them know why they need to act in such a manner not just the "style" of which the behavior is being done. Sometimes it is difficult for them to refine their behaviors, but it can produce progress
Health is the state of your physical, social, and mental, well-being. An individual may have poor health or be very healthy,
Answer:
answer b
Explanation:
air besarse plant produce air
It seems like it wold be all of the above
