Effects Of Population Growth Flashcards
1
Q
What three factors are affected by population growth?
A
Water
Land
Air
2
Q
How is water affected?
A
> fertiliser is washed into the water, causing plants to grow uncontrollably and affecting food chains
> sewage and toxic chemicals are washed into the water, polluting it.
3
Q
How is air affected?
A
Smoke contains particulates which inhibit light and cause respiratory problems
CO2 causes global warming
SO2 causes acid rain
4
Q
How is land affected?
A
Pesticides kill insects
Herbicides kill plants
Expanding land reduces biodiversity as habitats destroyed.
5
Q
What uses of land affect it?
A
Farming
Quarrying
Landfills
Building
