Why life exists on earth only?
Why can't other planets also support life on them?
Why oxygen is in air form on the earth and in frozen form in space?
What makes all the living things on the earth to remain fixed on it without flying towards sky?
Why all the creatures on the earth are not the same?
Why humans use oxygen cylinders underground, underwater and in space?
Why humans don't use oxygen cylinders on the earth?
Why humans mate only with humans and not with other animals?
What happens if humans mate with other animals?
Why only humans use time? Does even animals know anything about time?
Why humans are not as faithful as animals?
Why humans always betray others?
Can't humans lead a life without spoiling others?
When all the great holy books say that we shouldn't speak lies and should stay true to one's own life, then why we don't follow it, even when we believe it has the words of God?
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