A wooden block just floats in fresh water. It is then transferred to seawater whose density is slightly higher than that of fresh water. What will be observed?
(a) The block will float lower, with a larger portion submerged.
(b) The block will remain at exactly the same level as before.
(c) The block will rise and float with a smaller portion submerged.
(d) The block will float with exactly half of its volume submerged, irrespective of the liquid used.