GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - 7LY5702YX75SLPSIJ

The passage indicates which of the following about the "ecological boundaries of the sea?" A. They have become increasingly sensitive to changes in global climate. B. They are not significantly impacted by changes in Earth's atmosphere. C. Their stability is essential to the health of marine ecosystems. D. They are more closely tied to surrounding physical conditions than are analogous boundaries on land E. They are less susceptible to direct human intervention than are analogous boundaries on land.