is that why you make such great skins fuzzy???
just kidding ya...
I agree with paxx on some points about intellegence and the fact (since 1970's I believe) that studies have shown there are multipul intellegences not just 2 or 1( memorization and reading/math type stuff).
I believe there are 7 at the moment. I think IQ tests are suppossed to engage those intellegences but it would seem that most focus on 2.
wish I could remember what I studied. It was years ago as a student teacher.
as far as groups are conserned there are plenty of groups, civilizations, towns, teams, clubs, etc.. etc...
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Still I think this question is about math. not about other factors of a real world situation of birds taking flight ofter the gun shot (none remain) or all the birds surviving (all leave) or a chain reaction of exploding carcass makes the birds who fly away so scared the die from excitment (

). It is about how many did not get shot and how many didn't.
depending on your background, culture, and even what time in history you live in, the answer can be different. its is all how you see it. the 7 intellegences gives a way of adressing those issues of culture, background and time.