World Geography
The polar regions of earth cannot support forest growth because

the rainfall is very low
the ground is often frozen or snow or ice covered
the growing season is short in these areas
All of these factors

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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:

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

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