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Which of the following best describes incised or entrenched meanders?
- a)They are formed primarily by lateral erosion in low-gradient streams.
- b)They develop over original gentle surfaces and can form deep gorges in hard rock areas.
- c)They are created by sediment deposition in floodplains.
- d)They are exclusively found in areas with significant tectonic activity.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Which of the following best describes incised or entrenched meanders?a...
Incised or entrenched meanders are formed as streams cut deeply into their valleys, often developing over original gentle surfaces. This process can lead to the formation of deep gorges and canyons, particularly in hard rock areas, as the streams experience significant vertical erosion. This contrasts with meanders in low-gradient streams, which typically develop through lateral erosion rather than vertical cutting. An interesting fact is that the presence of these entrenched meanders provides insights into the historical geological processes that shaped the landscape.
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Which of the following best describes incised or entrenched meanders?a...
Understanding Incised or Entrenched Meanders
Incised or entrenched meanders are unique river features formed primarily through the process of erosion and geological activity. The correct answer to describe them is option 'B', which highlights their formation in hard rock areas.
Formation Process
- Erosion Dominance: Incised meanders occur when a river cuts deeply into its bedrock, rather than merely widening through lateral erosion. This process is often facilitated by a combination of factors, including increased water flow and tectonic uplift.
- Gentle Surface Development: These meanders develop over pre-existing gentle surfaces. As rivers carve downward, they create steep, narrow gorges, often found in more resistant rock formations.
Geological Context
- Gorge Formation: The deep gorges formed by incised meanders can showcase dramatic landscapes, where the river flows at the bottom of a steep canyon, contrasting with the surrounding terrain.
- Hard Rock Areas: Incised meanders are particularly prevalent in regions with hard rock, as these materials resist erosion less easily than softer sedimentary rocks, allowing rivers to create pronounced vertical profiles.
Conclusion
In summary, option 'B' accurately describes incised or entrenched meanders as features that develop over originally gentle surfaces, leading to the formation of deep gorges, especially in hard rock areas. Understanding this process is essential for studying river morphology and landscape evolution.
Incised or entrenched meanders are unique river features formed primarily through the process of erosion and geological activity. The correct answer to describe them is option 'B', which highlights their formation in hard rock areas.
Formation Process
- Erosion Dominance: Incised meanders occur when a river cuts deeply into its bedrock, rather than merely widening through lateral erosion. This process is often facilitated by a combination of factors, including increased water flow and tectonic uplift.
- Gentle Surface Development: These meanders develop over pre-existing gentle surfaces. As rivers carve downward, they create steep, narrow gorges, often found in more resistant rock formations.
Geological Context
- Gorge Formation: The deep gorges formed by incised meanders can showcase dramatic landscapes, where the river flows at the bottom of a steep canyon, contrasting with the surrounding terrain.
- Hard Rock Areas: Incised meanders are particularly prevalent in regions with hard rock, as these materials resist erosion less easily than softer sedimentary rocks, allowing rivers to create pronounced vertical profiles.
Conclusion
In summary, option 'B' accurately describes incised or entrenched meanders as features that develop over originally gentle surfaces, leading to the formation of deep gorges, especially in hard rock areas. Understanding this process is essential for studying river morphology and landscape evolution.
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Which of the following best describes incised or entrenched meanders?a) They are formed primarily by lateral erosion in low-gradient streams.b) They develop over original gentle surfaces and can form deep gorges in hard rock areas.c) They are created by sediment deposition in floodplains.d) They are exclusively found in areas with significant tectonic activity.Correct answer is option 'B'. Can you explain this answer? for Humanities/Arts 2025 is part of Humanities/Arts preparation. The Question and answers have been prepared according to the Humanities/Arts exam syllabus. Information about Which of the following best describes incised or entrenched meanders?a) They are formed primarily by lateral erosion in low-gradient streams.b) They develop over original gentle surfaces and can form deep gorges in hard rock areas.c) They are created by sediment deposition in floodplains.d) They are exclusively found in areas with significant tectonic activity.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Humanities/Arts 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following best describes incised or entrenched meanders?a) They are formed primarily by lateral erosion in low-gradient streams.b) They develop over original gentle surfaces and can form deep gorges in hard rock areas.c) They are created by sediment deposition in floodplains.d) They are exclusively found in areas with significant tectonic activity.Correct answer is option 'B'. Can you explain this answer?.
Which of the following best describes incised or entrenched meanders?a) They are formed primarily by lateral erosion in low-gradient streams.b) They develop over original gentle surfaces and can form deep gorges in hard rock areas.c) They are created by sediment deposition in floodplains.d) They are exclusively found in areas with significant tectonic activity.Correct answer is option 'B'. Can you explain this answer? for Humanities/Arts 2025 is part of Humanities/Arts preparation. The Question and answers have been prepared according to the Humanities/Arts exam syllabus. Information about Which of the following best describes incised or entrenched meanders?a) They are formed primarily by lateral erosion in low-gradient streams.b) They develop over original gentle surfaces and can form deep gorges in hard rock areas.c) They are created by sediment deposition in floodplains.d) They are exclusively found in areas with significant tectonic activity.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Humanities/Arts 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following best describes incised or entrenched meanders?a) They are formed primarily by lateral erosion in low-gradient streams.b) They develop over original gentle surfaces and can form deep gorges in hard rock areas.c) They are created by sediment deposition in floodplains.d) They are exclusively found in areas with significant tectonic activity.Correct answer is option 'B'. Can you explain this answer?.
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Which of the following best describes incised or entrenched meanders?a) They are formed primarily by lateral erosion in low-gradient streams.b) They develop over original gentle surfaces and can form deep gorges in hard rock areas.c) They are created by sediment deposition in floodplains.d) They are exclusively found in areas with significant tectonic activity.Correct answer is option 'B'. Can you explain this answer?, a detailed solution for Which of the following best describes incised or entrenched meanders?a) They are formed primarily by lateral erosion in low-gradient streams.b) They develop over original gentle surfaces and can form deep gorges in hard rock areas.c) They are created by sediment deposition in floodplains.d) They are exclusively found in areas with significant tectonic activity.Correct answer is option 'B'. Can you explain this answer? has been provided alongside types of Which of the following best describes incised or entrenched meanders?a) They are formed primarily by lateral erosion in low-gradient streams.b) They develop over original gentle surfaces and can form deep gorges in hard rock areas.c) They are created by sediment deposition in floodplains.d) They are exclusively found in areas with significant tectonic activity.Correct answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
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