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प्रश्न
Tick the correct answer.
In 1999, the world population reached
विकल्प
1 billion
3 billion
6 billion
MCQ
उत्तर
6 billion
shaalaa.com
Population Change
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
Tick the correct answer.
In 1999, the world population reached
1 billion
3 billion
6 billion
6 billion