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TeachAde

The Year of Six Billion

Languages: English
Countries: United States
Resource Type Link Link under review 0 ratings

TeachAde

Human population hit 6 billion in 1999. Learn about the troubling population predictions, find out how scientists know how many people are alive, and explore the problems that could be lurking in the...

Grades: 4th5th6th7th8th9th10th11th12th

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