Question 6DescribeGS1GS1
How are ocean trenches formed? Describe the significant characteristics of these oceanic relief formations. (Answer in 150words)
Introduction
Ocean Trenches are oceanic landforms formed at margins of tectonic plates as explained by Morson, Parker & McKenzie.
18 words
Main Body
Formation: (1) Formed due & subduction of oceanic plate under continental plate as IID bearer. (2) Subducting plate - Goes to Mantle & melt causing volcanie arcs & flat mountains. (Es) Alpi Andes
Characteristics: (1) Deepest Part - of Earth's crust. (Es) Mariana trench in Challneger Deep
(Es) Mariana trench in Challequer Deep
2Thermal Vent: due & released Earth's geothermal energy
3Habitat: & chemosynthetic bacteria
4Earthquakes: ocun due & released pressure at plate boundary. (Es) Sunda Trench
5Destruction of Plate: at trench due to subduction in molten mantle.
— Aditya Mathur · AIR 98
92 words2 paragraphs
Conclusion
Trenches are Critical part of oceanic landforms & play key role in plate tectonics.
14 words
Diagram
Diagram showing trench formation with plate boundary, mantle, and subduction zone labeled
- Provides theoretical framework with reference to Plate Tectonics theorists
- Includes specific examples of ocean trenches
- Diagram aids explanation
- Addresses both formation and characteristics
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Topper
Aditya Mathur
AIR 98
Subject & Paper
GS1GS1
Topic
World Physical Geography
Phenomena
Ocean trenches and oceanic relief formations
Writing Stats
124
Total words
2
Paragraphs
Academic/Technical
Tone