English, 17.10.2020 22:01 Izzyfizzy

What are population pyramids used to show

Answers: 2

Show answers

Answers

A population pyramid is a graph that shows the distribution of ages across a population divided down the center between male and female members of the population.

Explanation:

Answer from: goku19466

Age and sex

Explanation:

A population pyramid is a way to visualize two variables: age and sex. They are used by demographers, who study populations. A population pyramid is a graph that shows the distribution of ages across a population divided down the center between male and female members of the population.

There are three main trends in populations that affect the shape of a population pyramid. The first is when there are both high fertility and high mortality rates among younger members. This type of population, known as “expansive,” creates a sharp triangle shape in the graph. Expansive pyramids mean that the population does not increase much in total number and has many young people. The second trend, known as “constrictive,” is when there is a lower mortality rate with the fertility rate remaining constant. These population pyramids are wider in the middle of the graph as the population has high numbers of middle-aged and elderly people, but fewer young people. The third trend is “stationary” which is a population with low mortality and low fertility rates. These graphs have a square or “pillar” shape rather than a pyramid one. These population pyramids represent a stable population that will not change significantly barring any sudden changes to fertility or mortality rates.

Population pyramids are useful for studying the future of a region as well as examining historical and current population trends. If part of the population has been affected by sudden changes, such as casualties from armed conflict, high female mortality in childbirth, or the migration of young workers out of poorer regions, the graph will offer a way to visualize how the future population will be affected. They can also help direct government and private industry distribution of services for regions based on population needs.

Answer from: Quest

a. the scene is structured as a dialogue between two characters in their own informal language.

Answer from: Quest

Yes. it’s to others.

Another question on English

English, 21.06.2019 14:50

In the monkey king plotline of american born chinese, why is tze-yo-tzuh the antagonist?

Answers: 1

Answer

English, 21.06.2019 23:20

Sarah is having a tip-of-the tongue experience with the name of an indian restaurant that recently received a great review. she suspects that it may start with a “k” sound and consist of two syllables, but all that comes to mind is canton or ccouscous. which of the following choices would be the most likely name of the restaurant?

Answers: 3

Answer

English, 22.06.2019 00:30

What phrase from "speech after being convicted of voting" most engages the audience's sense of pathos, or their emotions?

Answers: 1

Answer

English, 22.06.2019 07:00

Me asap it's an e2020 test and it's timedread the rough draft of a student's conclusion to anargumentative editorial.(1) year-round schooling would student achievement.(2) not so much information would have to be crammed intonine months. (3) furthermore, the elimination of long breaks,particularly summer break, would significantly reduce"learning loss" and the additional time wasted at thebeginning of each academic year to reteach previouslylearned material. (4) it is clear that year-round schooling students learn and retain more. (5) the united statesis not the only country to experiment with a year-roundschool schedule. (6) although many still claim that evidenceabout year-round school and its link to higher achievement isinconclusive, these people need to open their eyes and seethat students in these schools consistently score higher oncertain assessments than students who attend schools withtraditional nine-month calendars. (7) it is about time that wereplaced our outdated and inefficient school calendars.what revision would most strengthen sentence 1?

Answers: 2

Answer

You know the right answer?

What are population pyramids used to show...

Questions