Who want to talk I'm sooo bored and I drop my hotpockets T-T

Where is the photoshop flaw in this picture? a. the fish is too large, b. the head has been pasted on another persons body, c. the guy has no hands, d. the background has been altered.

How did shawn mendes change the world? (need this for biography homework❤)

The energy applied to cause vibration can be in the form of air pressure a stick, bow, or electricity. true or fasle