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What is acid rain?
Rain that is more acidic than normal rain
How is sulfuric acid formed in the atmosphere?
Sulfur dioxide reacts with oxygen and water
What kinds of buildings are damaged by acid rain?
Limestone and marble buildings
Does acid rain directly burn human skin?
No
What liquid is used to clean gases in scrubbers?
Scrubbing liquid or water
What pH is acid rain usually below?
5.6
How is nitric acid formed in the atmosphere?
Nitrogen oxides react with oxygen and water
What happens to nutrients in soil because of acid rain?
They are washed out of the soil
Which particles from acid rain pollution can harm humans?
Sulfate and nitrate particles
Why are scrubbers important for the environment?
They reduce pollution and acid rain
Which two gases mainly cause acid rain?
Sulfur dioxide (SO₂) and nitrogen oxides (NOₓ)
What does sulfur dioxide react with to form sulfur trioxide?
Oxygen
Which nutrients are commonly removed from soil?
Calcium and magnesium
What health problems can polluted air from acid rain cause?
Breathing problems
How much sulfur dioxide can modern scrubbers remove?
More than 99%
What are the two types of acid deposition?
Wet deposition and dry deposition
What does sulfur trioxide react with to form sulfuric acid?
Water
What toxic ion is released into soil and water?
Aluminum ions
What device removes sulfur dioxide from factory gases?
Flue gas scrubber
What happens to forests affected by acid rain?
Trees become weaker and more vulnerable
Where are SO₂ and NOₓ released?
Into the atmosphere
Where do nitrogen oxides mostly come from?
Vehicles and industry
Why are fish affected by acid rain?
Their gills are damaged by low pH and aluminum
What do marine scrubbers reduce from ships?
SOₓ and NOₓ emissions
Why is sulfur dioxide dangerous for the environment?
It contributes to acid rain