13. Which of the following statements BEST describes a shadow?

I. It is formed when light passes through a transparent object
II. It is formed when an opaque object blocks the path of light
III. It is the dark area beside an opaque object when the surrounding is bright
IV. It is an area where light does not reach

A. I and II only
B. II and III only
C. II and IV only
D. II, III and IV only


Medj nalilito aq dito eh III lng ung alam q​