Mr. Mann explained that when light passes from air into the water, the light waves bend, or , and the pencil appears to be broken.

the moon affects the earth gravitation ally, causing certain motions of that body and also producing tides in its ocean and atmosphere. the tidal wave in our atmosphere is, however, far too minute to be an effective cause in any known meteorological phenomenon.

explanation:

d) physical means can be used to separate the components of air.