Why should you avoid opperating your motorboat or pwc above no wake speed near shore?

it is erosion...if you are taking the boating exam try typing the Arizona course boat ED after every question you type, in google is what i used if your state is not Arizona then just type you state in. it brings you to the page you can find the answer....

like this

Why should you avoid opperating your motorboat or pwc above no wake speed near shore....the Arizona course boat ED.

It works pretty good ive got about 75 % of my answers this way still might take a while but it works good luck good luck!