A sand dune typically has a crescent, ridge or mound-like shape. Formed by wind in desert regions, dunes have a gentle slope on one side and a steeper slope on the other. Their shape changes over time due to shifting ...
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Yes. Eurasia is a combined continental landmass that includes Europe and Asia. It is the largest continent on Earth. India lies on the southern edge of the Eurasian Plate and its collision with the Indian Plate formed the Himalayas millions ...
The plains have dense populations, leading to a higher concentration of electric lights seen from satellite images. Flat terrain, fertile land and better infrastructure attract cities, towns and villages. More people and industries mean more electricity usage, hence the brighter ...
The Brahmaputra becomes bigger in summer due to melting Himalayan glaciers and heavy monsoon rains. Unlike rivers that shrink, its water level rises, often causing floods. It carries sediment and supports agriculture, wetlands and biodiversity across Assam and nearby northeastern ...
Yes. Kath-kuni and dhajji dewari are traditional Himalayan house-building styles using wood, stones and mud. These techniques are earthquake-resistant, eco-friendly and suited to cold climates. Common in Himachal Pradesh and Kashmir, they reflect ancient wisdom in sustainable construction. Class 7 Social ...