C. Decreases; as the wave is building up and getting taller, it is also getting narrower.
That isn't even possible. Your body is made of them. If you had none then you wouldn't be existing.
Most likely ATP next time put the answer choices in for multiple choice questions.
Answer:
cell membrane
Explanation
It's the outer living boundary of animal cells. It's made of lipid and protein. Plasma Membrane is a mosaic of phospholipids, cholesterol, and proteins, the proteins in plasma membrane regulates the coming/going of substances into/out of the cell.
