What is the function of the outer ear?
a. to transmit sound waves to the brain
b. to protect the eat and gather sound waves
c. to gather and convert sound waves
d. to house the eardrum

C. To gather and convert sound waves

Explanation:

The function of the outer ear is to gather and convert sound waves

i would say the answer is b. zigzag lines of the leaves. i believe this is the answer because zigzag lines go in different direction while the other options like: the vertical lines of the trees, the dotted lines on the road, and the curved lines of the park benches go in one direction.