Can someone help me number 3 it’s 90% of my grade

What is the purpose of the outer ear? a. to convert mechanical waves into electrical waves b. to evaluate the quality of sound c. to convert sound waves into mechanical waves d. to collect and focus sound waves

The dynamics of a musical piece refer to the a. key signature b. composer’s history c. volume changes d. instrumentation

For plato complete the following paragraph with the appropriate principle of animation? a character is walking down the road and, as he does, he lifts his hat to greet a passerby. this scene uses to make the character relatable. as the character walks, his coat-tails swing left to right with each step. the movement of his coat-tails demonstrates the principle of .