Exogenetic Processes Part-2
Maharashtra Board · Class 9 · Geography
Quick revision notes for Exogenetic Processes Part-2 — Maharashtra Board Class 9 Geography. Key concepts, formulas, and definitions for last-minute revision.
Key Topics to Revise
Work of Rivers and Landforms
- Rivers form when multiple water flows combine and flow according to gravity along slopes
- River work depends on: slope of land, rock type, water volume, flow length, and sediment volume
- Erosional landforms: Gorges (canyons), V-shaped valleys, waterfalls - formed in upper course due to high speed
Work of Glaciers and Landforms
- Glaciers form in regions with temperatures below freezing point through snow accumulation
- Glacier movement: 1 cm to 1 m daily (Jacobshavn Glacier in Greenland moves 46 m/day)
- Erosional landforms: Cirques (bowl-shaped depressions), Arêtes (knife-edge ridges), Horns (pyramid peaks), U-shaped valleys, Hanging valleys, Rôche moutonnées
Work of Wind and Landforms
- Wind erosion is prominent in deserts and semi-arid regions due to lack of vegetation
- Mechanical weathering creates abundant loose material for wind transport
- Erosional landforms: Mushroom rocks, Deflation hollows, Yardangs
Work of Sea Waves and Landforms
- Sea waves are created by winds and tides, carry out erosion, transportation, and deposition
- Wave energy depends on wind speed, fetch (distance over water), and water depth
- Erosional landforms: Wave-cut platforms, Sea caves, Sea arches, Sea cliffs
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What are the important topics in Exogenetic Processes Part-2 for Maharashtra Board Class 9 Geography?
Exogenetic Processes Part-2 covers several key topics that are frequently asked in Maharashtra Board Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Exogenetic Processes Part-2 — Maharashtra Board Class 9 Geography?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.
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