Marine snow is a shower of organic material falling from upper waters to the deep ocean. As plants and animals near the surface of the ocean die and decay, they fall toward the seafloor, just like leaves and decaying material fall onto a forest floor. In addition to dead animals and plant...
What is the top of the ocean called? What is the deepest benthic zone in the world? Which ocean has the greatest average depth? What are the deepest features of the ocean floor? What ocean is not considered to be a true ocean?
Sylvia Earle's career includes many firsts.In 1979 she became the first woman to walk the ocean floor 381 meters below the surface.In 1990,she became the first female chief scientist of the U.S.National Oceanic and Atmospheric Administration (NOAA). Through the years,Earle has spent roughly...
Ocean Floor Topography The floor of the ocean, just like the surface of the continents, is not flat and featureless. Depending on your location on the Earth the floor of the ocean can contain mountains, valleys, and a wide range of flora and fauna. ...
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主题 体数 限时| 难度得分率 沸腾专练 对海底世界的探索说明文 ζ'★★★/4 1.What does the underlined word "inaccessible"in Paragraph 1 The ocean bottom, a region nearly 2.5 times greater than the total land area of the earth, is even today largely unexplored. Until about A. Unrecognizable....
Life on the ocean floor is very sparse, making it similar to a vast desert. Marine organisms prefer shallow waters, where energy from photosynthesis is abundant, providing the foundation of the food chain. There are several oases on the ocean floor: hydrothermal vents, cold seeps, and whale ...
小站托福备考平台为广大托福考生提供托福听力tpo17 Milankovitch Hypothesis(米兰科维奇假说)What is the significance of the evidence found on the ocean floor? 答案及题目解析。小站教育,助力中国学生绽放出国留学梦想。
B. Causes of the damage. C. Efforts Earle made. D. Bright future for the ocean.7. Which of the following is a suitable title for the text? B A. Dr. Sylvi a Earle- A Lover of Diving B. Dr. Sylvi a Earle-Pioneer of the Deep C. The Ocean- A place in Urgent Need of Our ...
We know more about the surface of the planet Mars than we know about what is at the bottom of Earth’s oceans. Until recently, scientists had mapped only about 20 percent of the sea floor. But our knowledge of the deep seas is changing because of information from satellites. Scientists ha...