Whats the degree of -5xy

Is the or in survivors a prefix or a suffix? ?

Lorek lives near the north pole. the snow in his backyard adds water to the atmosphere through )transpiration )evaporation )sublimation )condensation

A30 year old man comes to the emergency room complaining of severe abdominal pain most of his body is covered with tattoos and he has several body piercings he informs the staff that he does not have health insurance