q1 and q2, please solve q2 using (lucidchart) if you can

Which is the correct statement regarding the above diagram (a) Bank-Branch is the weak entity (b) Branch No of the Bank-Branch entity is a partial Key (c) The Participation of BANK in BRANCHES Relationship is partial (d) All of the above Question 2: Construct an E-R diagram for the registrar's office and construct appropriate tables. A university registrar's office maintains data about the following entities: (a) courses, including number, title, credits, syllabus, and prerequisites; (b) course offerings, including course number, year, semester, section number, instructor(s), timings, and classroom; (c) students, including student-id, name, and program; and (d) instructors, including identification number, name, department, and title. Further, the enrollment of students in courses and grades awarded to students in each course they are enrolled for must be appropriately modeled