World Geography
Which among the following statements is/are correct about Density of ocean water?Salinity is inversely related to seawater density.Seawater density decreases with increasing salinity and vice versa.Select the correct code from the options given below:

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

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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:

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

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World Geography
Which of the following term is applied to the people of mixed European and American Indian blood in North America?

Amerinds
Apache
Aborigines
Bantu

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World Geography
Which among the following period in the demographic history of India is called the Period of Stable Population?

1891 to 1921
1951 to 1981
1921 to 1951
1981 to Present

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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?

Demographic Dividend
Age structure composition
Demographic Gap
Real population Density

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