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Principles of Environmental Science 6th Edition by William Cunningham, Mary Cunningham
النسخة 6الرقم المعياري الدولي: 978-1121779211Principles of Environmental Science 6th Edition by William Cunningham, Mary Cunningham
النسخة 6الرقم المعياري الدولي: 978-1121779211 تمرين 10
About how many years of human existence passed before the world population reached its first billion? What factors restricted population before that time, and what factors contributed to growth after that point?
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The population of the population was rea...
Principles of Environmental Science 6th Edition by William Cunningham, Mary Cunningham
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