There is m:m relationship between students and c(check all that apply) When do you use recursive relationships? A) the relationship between employees and their supervisors B) the relationship between employees and their dependents C) the relationship between employees and their departments D) the relationship between employees and their team members E) the relationship between employees and their job assignmentslasses. Which technique is used for representing the student grade? A) Associative Entity (gerund) B) Weak entities C) Super/sub types D) Recursive relationships