What is the main purpose of the fence seen on this beach ? a) to keep sand in place b) to keep people off of the beach c) to provide a resting place for sea birds d) to separate the beach from the rest of the park

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

the man is bald so he has no hair to get wet

it would lead to upper respiratory infections and pneumonia.