EARTH SCIENCE
OCEANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It is totally flat.
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It has the same depth everywhere
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It has many of the same geological features you find on land.
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It is covered in sea grass.
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Detailed explanation-1: -There are many geologic features on the ocean floor. Trenches, ridges, rises, and islands are the result of continental or oceanic plate movement. Volcanic eruptions and earthquakes are also the result of tectonic plate movement.
Detailed explanation-2: -The ocean floor covers more than 70 percent of the planet’s surface. Like dry land, the ocean floor has various features including flat plains, sharp mountains, and rugged canyons (Fig. 7.1). However, the lowest point in the world ocean is much deeper than the highest point on land.
Detailed explanation-3: -Believe it or not, the bottom of the ocean has mountains, valleys, and cliffs just like on land. These features are formed by plate tectonics. This is the well-accepted theory that Earth is made up of several tectonic plates, which are sections of rock at the Earth’s surface that fit together like a jigsaw puzzle.
Detailed explanation-4: -Continental shelf. Starting from land, a trip across an ocean basin along the seafloor would begin with crossing the continental shelf. Abyssal plains. Continuing your journey across the ocean basin, you would descend the steep continental slope to the abyssal plain. Mid-ocean ridge. Ocean trenches. 01-May-2020