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:

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

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World Geography
What is the opportunities provided by a country’s demographics in which the working population is much more than the dependent population called?

Age structure composition
Demographic Gap
Demographic Dividend
Real population Density

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