Human Populations 1
Crude birth rate minus this, divided by ten equals the rate of natural increase
Crude death rate
In some places with higher mortality rates, women may feel pressure to have these types of births
Replacement, or compensatory births
These types of animals, which eat dead organisms, have an advantage establishing themselves in cities
Scavengers
These are directly emitted into the atmosphere from identifiable sources
Primary pollutants
The Bassini hospital in Milan has this type of exterior
Titanium oxide
In this year, the human race had its largest ever number of births
1968
Many citizens of Nepal and Kyrgizstan live abroad and send home these
Remittances
Crews in New York have painted some roofs white to reduce this phenomenon
This airborne substance is usually between 2.5 and 10 microns in diameter
Particulate matter
This type of protection scheme is more likely to fail but is designed to do so in a safer way.
Fail-safe grids
These three countries in Southeast Asia have very low birth rates (not China)
Singapore, Japan, South Korea
This is the single most important reason some countries encourage immigration
To meet demands of some sectors of the labour market
Rather than thinking of things as strictly urban or rural, sociologists have encouraged us to think of this
A rural-urban continuum
Volcanic ash is an example of this type of pollutant
Natural
This is a name for the practice of designing and operating buildings to have a positive impact on the natural environment
Regenerative architecture
This number, divided by the rate of natural increase, gives us the doubling time of a population
70
Surveys in the US show that this can cost US$ 240,000, partly due to women's lost earnings
Raising a child to adulthood
This occurs at stage 5 of the urbanisation process
Counter-urbanisation, or de-urbanisation
This is made up of three oxygen atoms
This type of lichen can survive with higher levels of air pollution
Crusty or crustose
This illness has killed more than 40 million people in the last 40 years
If the sides of a population pyramid are quite straight, it means this
This continent is currently the least urbanised
Africa
This bodies of water have characteristics including clearer than normal water, white moss at the bottom and less varied species structure
Acidified lakes
This device reduces emissions of carbon monoxide, hydrocarbons and oxides of nitrogen
Catalytic converter