Answer:
The more sediment accumulates, the more pressure is put on the lower layers
Explanation:
Phospholipid bilayers are critical components of cell membranes. The lipid bilayer acts as a barrier to the passage of molecules and ions into and out of the cell. However, an important function of the cell membrane is to allow selective passage of certain substances into and out of cells.
The answer is d. semi permeable nature of the membrane
