Respuesta :
The best and most correct answer among the choices provided by the question is the first choice. The crust is expected to be thin under the Pacific Ocean. I hope my answer has come to your help. God bless and have a nice day ahead!
Withing the body of text this question was provided for, you should be able to find the passage, "The oceanic crust is thinner and denser than the continental crust."
Answer: Under The Pacific Ocean