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प्रश्न
See the diagram and answer the following questions:
- Which rock layer has experienced the most weathering?
- Which rock layer has experienced the least weathering?
- What could be the reason behind the difference in weathering?
उत्तर
- Rock layer C has experienced the most weathering.
- Rock layer B has experienced the least weathering.
- Rock C has a lot of fractures and joints so it got weathered easily. Rock B might have been a hard rock, more resistant, so the weathering process is slow.
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संबंधित प्रश्न
Identify the correct correlation:
A: Assertion; R: Reasoning
A: Freeze and thaw weathering is common in desert areas.
R: Water gets into cracks and breaks the rocks.
Identify the correct correlation:
A: Assertion; R: Reasoning
A: Surface water helps solifluction.
R: Water table is responsible for the same.
Identify the correct group:
Draw a neat and labelled diagram of Freeze and thaw weathering
Draw a neat and labelled diagram of Block disintegration.
In which regions will freeze-thaw weathering not be effective?
Besides climatic factors, rock type, and structure, can you think of some more factors that affect weathering?
Can animals and plants also influence weathering? Will that be physical or chemical weathering? Which type of weathering does stone quarrying cause?
Study the following schematic diagram. It shows the relationship between the speed of material and moisture content. Read the index, and answer the following questions:
- Fast
- Slow
- Dry
- Wet
- Creep
- Slide
- Fall
- Flow
Question:
- What will happen when the weather conditions are dry?
- When will a flow occur?
- When will a creep occur?
- Now can you enumerate the factors which affect mass wasting?
Think of the reason why landslides should be more frequent in the foothill zone of the Himalayas and Western Ghat region. Why do landslides not occur in Marathwada in Maharashtra or the Maidan area in Karnataka?
