World Geography
The underlying cause of bio diversity loss is

macroeconomic policies
international trade factors
poverty and unsustainable development projects
All of these

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World Geography
The initial increase of magnetic field in magnetic storms is caused

when there is a large decrease in field intensity
when the gust wind itself engulfs the magnetosphere
None of these
when the shock wave, associated with the gusty solar wind, compresses the magnetosphere

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World Geography
In which rocks does most of the formation of caves take place?

Limestone
Quartzite
Sandstone
Granite

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