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

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 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

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World Geography
The term 'flora' in the context of natural vegetation refers to

plants of a particular region or period, listed by species and considered as a group
role played by species of animals in the maintenance of ecological balance
assemblage of plant species living in association with each other in a given environmental frame
a large tract covered by trees and shrubs and its administration for assessing economic benefits

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