C.)
.............................................. if not im sorry
Answer:
50% of the moon is illuminated during a third quarter phase
Answer:
Its B I think (I'm not 100% sure)
Explanation:
The exchange of matter or substances between the cell and its environment is dynamic as it varies in direction and rate as per the requirements of the cell. Thus,a cell attains a stead -state wherein the internal conditions of the cell remain constant. Hence, cell is considered to be a open dynamic system
