Question

4. Surface tension explains which of the following phenomena?
I) A piece of aluminum foil floating on a lake
II) A bowling ball sinking more slowly through molasses than through water
III) Separating ethanol from water by distillation
IV) Water beading on a windshield during the rain
A. I and III only

B. III only

C. I and IV

D. III and IV only

E. II only

F. II and III only

G. I only

H. I and II only