By _______, half of the global human population lived in urban areas.
A - 1900
B - 1950
C - 1989
D - 2010
Answer: D - 2010
By _______, half of the global human population lived in urban areas.
A - 1900
B - 1950
C - 1989
D - 2010
Answer: D - 2010
Biology MCQ
Population and the Environment
By _______, half of the global human population lived in urban areas.