Tài liệu Preparation course for the toefl ibt writing part 5 pdf

Tài liệu Bulding skill for the toefl ibt transcripts part 5 pdf

Tài liệu Bulding skill for the toefl ibt transcripts part 5 pdf

... land inside the Earth. On the other hand, physical oceanography looks at the oceans and the rocks beneath them. Next, the passage describes historical geology, which may involve the study of ... which means the writer gives first-hand information, or if the source is a secondary source, which means the writer gives second-hand information. Another point to consider is whethe...
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