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Introduction: Water (Oceans) (Part - 1) Video Lecture | Geography Class 11 - Humanities/Arts

71 videos|245 docs|44 tests

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Video Timeline
Video Timeline
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00:34 Hydrological Cycle (Water Cycle)
03:42 Relief of the Ocean floor
06:05 Divisions of the Ocean floor
06:23 Continental Shelf
08:28 Continental Slope
09:10 Deep-Sea Plain
09:51 Oceanic Deeps or Trenches
11:03 Minor Relief Features
11:07 Mid-Oceanic Ridges
13:02 Seamount
14:49 Submarine Canyons
15:51 Guyots
16:33 Atoll
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FAQs on Introduction: Water (Oceans) (Part - 1) Video Lecture - Geography Class 11 - Humanities/Arts

1. What percentage of the Earth's surface is covered by oceans?
Ans. Approximately 71% of the Earth's surface is covered by oceans.
2. How deep is the deepest part of the ocean?
Ans. The Mariana Trench in the Pacific Ocean is the deepest part of the ocean, reaching a depth of about 36,070 feet (10,994 meters).
3. What is the largest ocean in the world?
Ans. The Pacific Ocean is the largest ocean in the world, covering an area of about 63 million square miles (165 million square kilometers).
4. How does the ocean impact weather patterns?
Ans. The ocean plays a crucial role in influencing weather patterns. It absorbs heat from the sun, regulates temperatures, and releases moisture into the atmosphere, which helps in the formation of clouds and precipitation. Ocean currents also distribute heat around the globe, affecting climate and weather systems.
5. What are the major threats to ocean ecosystems?
Ans. Some major threats to ocean ecosystems include pollution from human activities, overfishing, habitat destruction, climate change, and ocean acidification. These factors can have detrimental effects on marine life and the overall health of the oceans.
71 videos|245 docs|44 tests
Video Timeline
Video Timeline
arrow
00:34 Hydrological Cycle (Water Cycle)
03:42 Relief of the Ocean floor
06:05 Divisions of the Ocean floor
06:23 Continental Shelf
08:28 Continental Slope
09:10 Deep-Sea Plain
09:51 Oceanic Deeps or Trenches
11:03 Minor Relief Features
11:07 Mid-Oceanic Ridges
13:02 Seamount
14:49 Submarine Canyons
15:51 Guyots
16:33 Atoll
More
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