Question 1
According to the text, when will the world population reach eight billion?
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by 2024◦
by 2050◦
by 2100◦
by 2124Question 2
According to the text, who is the most likely to suffer from cancer?
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Pete, a rural farmer◦
Don, a working-class truck driver◦
Joe, a middle-class teacher◦
Albert, an upper-middle-class business owner