Today in Human Geo, Mrs. Schick was absent so we had Mrs. Smith. We were left instructions on the Human Geo blog to watch this video:
https://www.youtube.com/watch?v=RLmKfXwWQ
It was talking about why population pyramids are made and how they are used. Population pyraminds help us keep track of the population for not only people living but for people that are dying too. It helps because us because we don't have to sit down and actually count the whole population of say China- who has just over a billion people living there- and try and find out what the death and life rate is.
Population pyramids are good for helping with history projects or any projects dealing with the population of the world. It can tell you about the population growth and decrease this year or 5 years ago, it can even predict the future!
This is a really cool website that tells you all about present population, birth rate, etc! It has everything (:
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