World Geography
The magnetic field of earth, Magnetosphere expands to about

9600 km above the earth's surface
64,000 km above the earth's surface
8000 km above the earth's surface
None of these

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World Geography
The main objective of multi-purpose river projects are

flood controls and making rivers navigable
All of these
extension of irrigation facilities by constructing dams to store surplus water during the rainy seas
power generation by constructing hydro power stations

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World Geography
What is the name given to describe the characteristic warmth of both the atmosphere and surfaces in cities compared to their surroundings?

Out Growths
Smart City
Urban Heat Island
Urban Agglomeration

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