Can anyone help me I mark you Brainliest just please

Based on context, the word “insoluble”most likely means?

While looking at ads on a professional job site, justin saw this job posting: "the employee should have a degree in human behavior and at least 5 years experience in behavioral modifications. we are also looking for an employee who is good at crisis divergence. typically employees will spend a lot of time supporting others."

Maria is writing a persuasive essay for her english class. she asks marshall if it is important to use rhetorical appeals in her essay.which reasons could marshall give in favor of using rhetorical appeals