World Geography
The greatest variety of animal and plant species is found in

tropical moist forests
in hot deserts
tundra regions
temperate grasslands

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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
Neither 1 & 2
Only 2
Only 1

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