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प्रश्न
For the formation of a rift valley, which of the following processes should occur in the earth’s crust?
विकल्प
Compression
Tension
Weathering
उत्तर
Tension
Explanation:
When the energy waves within the earth’s mantle move away from each other, they create tension on the layers of rock surrounding the waves leading to fractures in the earth’s crust. Sometimes, two fractures can occur parallel to each other and the crust between these fractures subside forming the rift valley.
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संबंधित प्रश्न
Fill in the blank:
Most earthquakes occur on account of the strain in the _________.
Fill in the blank:
About 70 percent of the earthquakes occur in the _________________ Belt.
What is called an earthquake?
What is known as the Richter scale? State its uses.
What is the difference between seismic focus and epicenter?
How are earthquakes distributed over the globe?
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
Choose the odd one
Define Earthquake.
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