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Volcanoes and Volcanic Landforms Video Lecture | Geography Class 11 - Humanities/Arts
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FAQs on Volcanoes and Volcanic Landforms Video Lecture - Geography Class 11 - Humanities/Arts
| 1. What are the different types of volcanic landforms? |  |
Ans. There are several types of volcanic landforms, including stratovolcanoes, shield volcanoes, cinder cones, lava domes, and calderas. Each type is formed through different eruption processes and materials.
| 2. How do volcanoes form? | |
Ans. Volcanoes form when molten rock (magma) rises to the surface through cracks in the Earth's crust. As the magma reaches the surface, it erupts, releasing gases, ash, and lava. Over time, repeated eruptions build up a cone-shaped mountain, known as a volcano.
| 3. What are the main hazards associated with volcanic eruptions? | |
Ans. Volcanic eruptions pose several hazards, including pyroclastic flows, ashfall, lava flows, volcanic gases, and lahars (mudflows). These hazards can cause destruction to human settlements, infrastructure, and the environment, as well as pose risks to human health.
| 4. How do volcanic eruptions impact the environment? | |
Ans. Volcanic eruptions can have both short-term and long-term impacts on the environment. In the short term, ash and gases released during eruptions can affect air quality, cause acid rain, and disrupt ecosystems. In the long term, volcanic activity can alter landscapes, create new landforms, and contribute to the formation of fertile soils.
| 5. Can volcanic eruptions be predicted? | |
Ans. While scientists can monitor volcanic activity and detect signs of an impending eruption, accurately predicting the exact timing and magnitude of volcanic eruptions is challenging. Volcanic eruptions are highly complex and influenced by various factors, making it difficult to provide precise predictions. However, ongoing monitoring and research help to improve our understanding and ability to forecast volcanic activity to some extent.
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Nov 22, 2024 Last updated |
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