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Q: How many humans have ever been born and if we assume that no member of the species had ever died would Earth be able to sustain us?

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my question for members is : how many humans have ever been born and if we assume that no member of the species had ever died would earth be able to sustain us?, please answer it thanks 4 all
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According to one estimate, some 70 billion(70,000,000,000)people have inhabited the Earth since man first appeared,(which begs another question I can't answer),and, no, it's not possible for Earth to sustain that many people at once.Given the dwindling resources and problems of health and crowding,a more realistic upper estimate would be 9 10 billion,which we may see this century. ...

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