World Geography
Which among the following is the most important character of the ‘Goldilocks Zone ‘ of the space?

It is small region of the space which is extremely cold
It is a small region which is extremely hot and presence of most elements in vapor state
It is a region of space which is characterized by a lot of asteroids
It is a region of space which is neither too hot nor too cold and has conditions which are a must for life

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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 2
Neither 1 & 2
Only 1
Both 1 & 2

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

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

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