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7 Cards in this Set

  • Front
  • Back
Methods of reducing NO3 from road vehicles

Catalytic converters e.g. catalyst of Rhodium with a chemical separation of oxygen and nitrogen with an end product of both.

Lean burn engine, air: fuel ratio

Methods of reducing emissions of

suspend particle matter

Increased air supply

Electrostatic precipitator

Cyclone separator



Features that encourage temperature inversions

Valleys- cold air drops down the sides

Low wind speeds

Less cloud cover

Easy heat loss at night

What are photochemical smogs made up of?

Oxides of nitrogen (NO3)

Unburnt hydrocarbons

Ozone gas (O3)


How can acid rain harm plants?

denatures enzymes and proteins

damages root and leaf tissue

inhibits growths

causes nutrients leaching and reduced growth

increases mobility of toxic ions in the soil