photocemical smog Flashcards
1
Q
what mixes to form photocemical smog?
A
solid particulates and ozone mix
2
Q
what harm does photochemical smog cause?
A
harms the respiratory system in animals and damages plants
ozone is also toxic to humans we want it in the upper atmosphere not the lower atmosphere
3
Q
what mixes to form ozone?
A
sunlight hydrocarbons and nitrogen dioxide
a large amount of hydrocarbons come from cars and factories
4
Q
how are oxides of nitrogen made?
A
when nitrogen and oxygen found in the air combine under high pressure and temperature.
car engines provide these conditions
5
Q
what do catalytic converters do?
A
reduce the amount of unburnt hydrocarbons and oxides of nitrogen going into the atmosphere
