According to wikipedia, the sex ratio for the entire world population is 101 males to 100 females now!
What about like before 14 CENTURIES AGO?
Please answer me with the right answer from an accurate source.
收錄日期: 2021-04-21 16:49:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20141224040114AAO1yF6