World Geography
The heavy day soils that show significant expansion and contraction due to the presence or absence of moisture is called

vertisols
histosols
andisols
aridsols

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World Geography
Which among the following statements is/are correct about Cenotes?Cenote is a natural pit or sinkhole resulting from the collapse of limestone bedrock that exposes groundwater underneath.Cenotes are commonly found on high altitude regions of the world.Select the correct code from the options given below:

Both 1 & 2
Only 2
Only 1
Neither 1 & 2

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