Https://www.tamaqua.k12.pa.us/cms/lib07/PA01000119/Centricity/Domain/119/TheAgeofImperialism.pdf
Because it shows the ages of the population, so we can see the parts of the place with the population that can and can't work.
Now, the way these maps show social information is: because they point out the demographical distribution about a specific sub-group in the population, its age, and its growth.
And finally, the way these maps provide environmental information is: because they allow us to see the environment of certain zones inside the map territory.
They all went extinct so that why their are no animals in the world
5 per 1,000 because you subtract the 10 deaths from 15 and get 5.
OK so basically you answered your question if he has the 40th best he will be 40th out of 600