For remembering material before an exam, rosa swears by her favorite mnemonic device, which involves stringing together bits of information in an ordered narrative. this mnemonic device is

Linking

Explanation:

Mnemonic linking device is a system which is capable of creating stories or pictures in mind so that they can be remembered by linking it with different section of information.This helps in enhancing remembering ability through forming a chain of information .

According to the question, Rosa is using mnemonic linking system device for forming a chain of information pieces and arranging them in orderly manner to extract and retrieve exam materials before exam.

haile selassie i was the emperor of ethiopia from 1930-1974

answermeasurements;