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Introduction: Landforms and their Evolution (Part - 2) Video Lecture | Geography Class 11 - Humanities/Arts

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FAQs on Introduction: Landforms and their Evolution (Part - 2) Video Lecture - Geography Class 11 - Humanities/Arts

1. What are some examples of landforms and their evolution?
Ans. Some examples of landforms and their evolution include mountains, valleys, canyons, plateaus, and coastal features such as beaches and cliffs. These landforms are shaped by various geological processes over long periods of time.
2. How do mountains form and evolve?
Ans. Mountains form through tectonic activity, where two tectonic plates collide or move apart. The collision of plates leads to the uplift of the Earth's crust, forming mountains. Over time, mountains can be further shaped by erosion from water, wind, and ice, which can lead to their gradual erosion and evolution.
3. What processes contribute to the formation of valleys?
Ans. Valleys are formed through various processes such as erosion by rivers and glaciers, tectonic activity, and weathering. Rivers erode the land over time, carving out valleys, while glaciers can create U-shaped valleys through their movement and erosion. Tectonic activity can also create valleys through the uplift or sinking of the Earth's crust.
4. How do plateaus form and change over time?
Ans. Plateaus are formed through various geological processes such as volcanic activity, tectonic uplift, and erosion. Volcanic eruptions can create large lava plateaus, while tectonic uplift can uplift large areas of land, forming plateaus. Over time, plateaus can be shaped by erosion from rivers and glaciers, which can lead to changes in their size and appearance.
5. What factors contribute to the evolution of coastal landforms?
Ans. The evolution of coastal landforms is influenced by factors such as wave action, tides, sea level changes, and human activities. Waves continuously interact with the coastline, eroding it in some areas and depositing sediment in others, leading to the formation of beaches, cliffs, and other coastal features. Sea level changes can also play a role in shaping coastal landforms. Additionally, human activities such as construction and coastal engineering can alter the natural evolution of these landforms.
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