Assume that a priority queue is implemented using a binary heap and contains n items. what is the average time requirement for the insert () operation? (2) a) o(1) b) o(log n) c) o(n) d) o (n log n) e) o (n2)

Two students are discussing electricity that has a frequency of 60 hz. student a says that this type of electricity is referred to as ac. student b says that in this type of electricity, the electrons flow in only one direction. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct