chapter 8 Flashcards
1
Q
how does housing affect the natural environment?
A
- use of natural resources
- environmental pollution
2
Q
housing developments contribute to:
A
- high density living
- increase resource demands
- necessities
- places to deposit waste
3
Q
use of natural resources
A
- to make space for building, land has to be cleared
- depletion of forests
- food, water, building materials
4
Q
example of resources being used
A
- wood -> furniture
- natural gas -> electricity
5
Q
pollution definition
A
introduction of substances that do not normally belong in the environment
- in great concentration -> harmful effects of plants, animals, humans
6
Q
types of pollution:
A
- land pollution
- water pollution
- air pollution
7
Q
land pollution definition
A
- narrowly: another term for soil contatmination
- broadly: garbage and industrial waste
8
Q
land pollution side effects:
A
- long-term damage
- unsafe to build houses
9
Q
cause of land pollution
A
- human. produce alot of waste
- poor disposal of garbage
- incinerating of waste products to reduce space needed for disposal
10
Q
causes water pollution
A
- surface runoff of streets, rubber, heavy metals, contamination
11
Q
water pollution (sewage)
A
- untreated/poorly treated sewage
-> low in dissolved oxygen and high in pollutants (nitrates) - treated sewage can still be high in nitrate (process of removing them from wastewater is prone to contamination
12
Q
how to minimise pollution
A
- proper waste management
- usage of natural fertiliser instead of chemicals
13
Q
causes of air pollution
A
- burning of fossil fuels for energy
- emissions from industries/vehicles
14
Q
how to minimise air pollution
A
- monitoring air quality
- increase use of public transport
- solar power
15
Q
effects of minimising air pollution
A
- reduce respiratory illnesses