Khóa học phần nghe toefl itp 20 câu sau theo bài Hướng dẫn và trắc nghiệm nghe toefl itp thuộc 20 câu sau – Mã 97104750 30 Th9 Press to start in video What is the purpose of the talk? To review what students know about volcanic activity. To provide background for the next reading assignment. To explain the answer to an examination question. To demonstrate the use of a new measurement device. What important discovery about seismic waves does the instructor mention? They can withstand great heat. They occur at regular intervals. They travel through the Earth’s interior. They can record the Earth’s internal temperature. What did the study of seismic vibrations help geologists learn more about? When the Earth was formed. The composition of the Earth’s interior. Why lava is hot. How often a volcano is likely to erupt What did P and S waves help scientists discover about the layers of the earth? Where earthquakes form. How hot they are. What purpose they serve. How deep they are. Loading … Đọc thêm Hướng dẫn và trắc nghiệm nghe toefl itp thuộc 20 câu sau - Mã 97013133[related_posts_by_tax title=""]
