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 1
Both 1 & 2
Only 2

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World Geography
The Mistral is

All of these
wind that blows for 100 days a year and may cause extensive frost damage to plants
very cold wind, which blows down from the plateau of central France
swift, dry, cold northerly wind that blows down from the western Alps and the plateau of Southern F

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