Answer:
population pyramids
Explanation:
Population pyramids show the structure of a population by comparing relative numbers of people in different age groups.
Population structures differ markedly between Less Economically Developed Countries LEDCs and More Economically Developed Countries MEDCs.
The shape of a population pyramid can tell us a lot about an area's population.
Usually pyramids are drawn with the percentage of male population on the left and percentage of female population on the right.
It gives us information about birth and death rates as well as life expectancy.
They have different states and so does the U.S.
1, 2, 3 numurates of tropical rainforests and grasslands
Answer:
It includes three main layers: crust, mantle and core.
Explanation:
