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

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

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

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

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