• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/3

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

3 Cards in this Set

  • Front
  • Back

Three kinds of counting population

1,Census=counting of every population , periodical(5 or 10 year),gov't based


**Expensive


2,Sample survey;using representatives of the population , done by international organizations like un,less expensive


3,vital registration : of birth, death marriage in local areas


percise and accurate

Natalistic policy promotes birth


Antinatalistic policy

/Growth rate = birth rate - death rate


/phases of population growth


1,high birth and death rate , old times = their should be natural check up (malts theory)


2,in the second phase death rate decrease because of medicine and constantly high birth rate


♦in developed contriea


3,both decreases because of consciousness of the society(birth control)


oth decreases because of consciousness of the society(birth control)


ntrol)


4,birth rate decreases more than the death rate

Cbr,cdr,gfr,imr,mmr,sex-ratio,dependency ratio>14and<64/15-64pun||life expectancy around horn 45....65...69


♦Rift valley are less populated than surrounding mountain and platue


♦population desity#palm#


♦above 100/km2 is considered as densily populated


♦age structure population male then female old at top young at the bottom##


♦Pyramid of poor countries is A shaped


♦for developed countriea


The graph is በ

Economic activities of the horn


➊primariy:agricultural,fishing(not well developed),mining,forestry


➋secondary : manifacturing industries


Light industry(for consumption purposes and heavy industris


➌tertiary : trade,transport,tourism(historical or naturaL)