World Geography
The magnetosphere becomes unstable during the magnetic storms during a period of

storm sudden commencement phase
None of these
initial phase
main phase

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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:

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

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