challenge: What is the requirement for students to become active members of Chi Epsilon Pi?
  
  A. Completion of 15 credits toward a meteorology major with a 3.5 cumulative GPA
  B. Completion of 10 credits toward a meteorology major with a 3.0 cumulative GPA
  C. Completion of 5 credits toward a meteorology major with a 2.5 cumulative GPA
  D. Completion of 20 credits toward a meteorology major with a 4.0 cumulative GPA
  Answer: 