Question: What happens, when Mr. Santa adds a multivitamin tablet?
A) Gas bubbles rise in the water, stick to the separating layer between water and oil and form a gas layer.
B) Gas bubbles pull green water drops up through the oil, the water drops then sink again.
C) Gas bubbles rise up through the water and oil alone and burst at the surface of the oil. No water droplets are transported.
D) Gas bubbles disperse in the water and form a uniform foam.