Population Flashcards
why is the world’s population growing?
- death rate is dropping
- birth rate is rising
- health care has improved
- people have more money to pay for child care
describe stage 1 of the DTM with a contry,
Amazonia, birth rate and death rate are high, low natural increase, low population.
describe stage 2 of the DTM with a country,
Afghanistan, birth rate is high and death rate is low, high natural increase.
describe stage 3 of the DTM with a country,
Brazil, falling birth rate, low death rate, high natural increase.
describe stage 4 of the DTM with a country,
UK, birth rate and death rate is low, low natural increase, sustainable, high total population
describe stage 5 of the DTM with a country,
France, birth rate falls below death rate, natural decrease, ageing population.
What are the 4 types of sediment transported in waves?
Traction(rolling), suspension(floating), solution(dissolved) and saltation (floating)
describe the stage 1 population pyramid,
wide base, narrow apex, shot, conical shape
describe the stage 2 population pyramid,
wider base, wider apex, taller, pyramid