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Complete the following table by classifying the landforms according to their agents of erosion.
(waterfall, delta, cirque, arete, barchans, moraine, pothole, mushroom rock, sinkholes, beach, pillars, lagoons)
| Rivers | Wind | Glacier | Sea Waves | Groundwater |
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If condensation occurs closer to the earth’s surface, what types of forms become visible?
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Distinguish between Dew and frost.
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Identify the precipitation type with the help of the description given:
It seems as if water droplets are floating in the atmosphere. In London, one cannot see the Sun till the afternoon during winters because of this phenomenon.
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How is the magnitude of the earthquake related to the collapse of houses?
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What are the effects of earthquakes on the earth’s surface and human life?
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Explain the types of seismic waves.
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Show the epicentre, focus and the primary, secondary and surface waves of an earthquake with the help of a neat labelled diagram.
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Distinguish between weathering and mass wasting.
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List the landforms that are produced by the depositional work of the sea waves.
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In what ways does precipitation occur on the earth?
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What is the importance of marketing from a farmers ‘point of view’?
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Distinguish between Primary and Secondary Seismic Waves
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Rewrite the correct statement:
The work of groundwater is effective in the area with soft rocks.
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Which agent is responsible for formation of stalactites and stalagmites and where are they formed?
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Make a collage of pictures of land forms by collecting them from magazines and newspapers.
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For the formation of a rift valley, which of the following processes should occur in the earth’s crust?
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Give a geographical reason.
Buildings collapsed at the foothills of the Himalayas because of an earthquake. Before collapsing, they were moving forward and backward.
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Identify and name the internal movement.
Molten magma is thrown out of the earth’s mantle.
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Arrange the following statements in chronological order in which an earthquake occurs.
- The earth’s surface vibrates.
- The plates suddenly move.
- Due to the movements in the mantle, compression goes on increasing.
- Along the weak points ( faultlines) rocks break apart.
- Stored energy is released in the form of seismic waves.
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