NINETY PERCENT OF (A)EARTHQUAKES OCCUR (B) AROUND THE PACIFIC RIM,...

33. - DE THI VAO THPT 50 CAU TRAC NGHIEM
DE THI VAO THPT 50 CAU TRAC NGHIEM
33. Ninety percent of (A)earthquakes occur (B) around the Pacific Rim, which is knowing (C) as (D) the ‘Ring of Fire’.