Air Pollution And Acid Rain Flashcards
0
Q
What are the main causes of acid rain?
A
Power stations and internal combustion engines
1
Q
What causes acid rain?
A
- Fossil fuels are burned, releasing CO2 + harmful gasses of sulfur dioxide and nitrogen oxides
- Gasses mix with clouds to form dilute sulphuric acid and nitric acid
- Falls as acid rain
2
Q
What are the effects of acid rain?
A
Lakes become acidic - kill plants and animals
Trees die
Limestone buildings / statues get damaged
Metal corrodes
3
Q
What is photochemical smog?
A
Pollution caused by sunlight acting on oxides of nitrogen to produce ozone - O3
4
Q
What effect does smog have on humans?
A
Breathing difficulties
Headache, tiredness
5
Q
What does carbon monoxide do to humans?
A
Stops blood carrying oxygen
Fainting, coma, death
6
Q
Why is it important to control dangerous gasses in atmosphere?
A
Make us unhealthy and miserable - increase asthma
7
Q
What on a car reduces pollution?
A
Catalytic converter
