(1) Some rocks have a shape of a mushroom.
(ii) Flood plains are very fertile.
(iii) Sea caves are turned into stacks.
(iv) Buildings collapse due to earthquakes.
Answers
Answer:
I THINK YOUR QUESTION IS GIVE REASONS I KNOW THE ANSWERS AS I AM ALSO IN YOUR SAME CLASS
(i)Some rocks have a shape of a mushroom because winds erode the lower section of the rock more than the upper pa.rt. Therefore, such rocks have narrower base and wider top.
(ii)Floodplains are very fertile because floods deposit layers of fine soil and other material.
(iii)Sea caves are turned into stacks (wall like features) because erosion breaks the roof of the caves and only walls are left .
(iv)Earthquakes are sudden movements of the earth which cause mass destruction.
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Explanation:
Give Reasons
Some rocks have a shape of a mushroom.
Answer: Because the winds erode the lower section of the rock more than the upper part.
Flood plains are very fertile.
Answer: Because they are formed on the flooding of rivers, by the deposit of fine soil layers and other material called sediments along the banks of the river.
Sea caves are turned into stacks.
Answer: Increase in the cavities of the sea caves and the erosion of the roof of the sea arches.
Buildings collapse due to earthquakes.
Answer: Because of generation of waves that propagate through the soil and create movement at the building’s foundation.
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