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
The three recognized major fishing grounds of the world are located in the

northern hemisphere only
one in the southern hemisphere only and two in the northern hemisphere
two in the southern hemisphere only and one in the northern hemisphere
southern hemisphere only

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