SSC
PHYSICAL GEOGRAPHY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Trench
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Continental Shelf
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Tundra
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Isthmus
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Detailed explanation-1: -These narrow, flooded valleys that descend into the continental shelf are known as fjords.
Detailed explanation-2: -Beyond the continental slope lie the abyssal plains which are the flat part of the sea bed. The abyssal plains consist of various submerged landforms like hills, plateaus, etc.
Detailed explanation-3: -The Atlantic Ocean, for example, has a broad and flat continental shelf, reaching depths of about 100 m. The continental shelf has an average width of about 75 km, but it may vary from place to place.
Detailed explanation-4: -The continental slope begins at the edge of the continental shelf known as the continental shelf break. This threshold usually exists some 1 to 5 kilometers above the abyssal plain or the deep-ocean floor.