Today is the 65 years about anniversary of establishment of People's Republic of China!! Happy Birthday !!
In Today's human geo class, we watched the video ''Population pyramids: Powerful predictors of the future'' again and discussed.
1.about ages; pre-reproductive , reproductive, post-reproductive.
2.the image of population show us the three categories of age, male and female and the population.
3. In Canada, there are less people in the pre-reproductive groups, the population of Canada will grow slowly.
4.Japan's population: in the post-reproductive, female's population is obviously more than male, especially higher than 85. Because of the World War Two, most of male joined in the army and died in this War.
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