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) |