Lungs appear collapsed in the fetus because they are filled with amniotic fluid and they have never been inflated with air yet.
It’s A because the dominant cantaba the overall experience
As powerful as diffusion is, cells sometimes must move materials in the opposite direction—against a concentration difference. This is accomplished by a process known as active transport. As its name implies, active transport requires energy.
<u>please mark as brainliest it would really help because i only need one more to move up a rank <3</u>
