Internation Date Line. The International Date Line<span> is an imaginary line that crosses the </span>surface of the Earth<span> and goes from the </span>North Pole<span> to the </span>South Pole, and it signifies<span> the change of one </span>calendar day<span> to the next. It crosses the middle of the </span>Pacific Ocean<span>, over the </span>180° line of longitude<span> expect for some territories and island groups.</span>
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.
Which one are you talking about