World Geography
The unit of the light year is used for measuring

speed of satellites
speed of ships
distance between bodies in the universe
speed of rockets

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World Geography
Which among the following statements is/are correct about the symbiotic life of Corals?Algae gives carbon dioxide and other substances the  coral polyp needs.Coral polyp gives off oxygen and other nutrients that the algae needs.Select the correct code from the options given below:

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

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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
Urban Heat Island
Smart City
Urban Agglomeration

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