A de-shelled egg is placed in tap water. The egg grows in size. What is the best explanation for this change in size?

Ions in the water moved into the cell through diffusion because there were more ions outside the cell than inside the cell.

Water moved into the cell by osmosis because the solute concentration was higher inside the cell than outside the cell.

Water moved out of the cell by osmosis because the solute concentration was higher outside the cell than inside the cell.

Water moved into the cell by diffusion because there is more water inside the cell than outside the cell.