Download Finland is a country with some 200 000 lakes. In addition, Finland

Finland is a country with some 200 000 lakes. In addition, Finland
there are thousands of kilometers of rivers and the sea surrounded
by land from the west
and from the south. Although the water surface
area is much, water is quite a bit.
Many Finnish lakes are shallow and therefore sensitive
to muutoksille.Jo
a small amount of harmful substances cause damage to
the watercourse.
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Power plants, transport and industry kdltetään carbon-based
fuels such as gasoline and polttoöL1yä. burning as a result
atmosphere to form carbon monoxide (CO), carbon dioxide,
(CO) and sulfur dioxide (SO).
Combustion synÿvät high temperatures may burn the participating
atmosphere of nitrogen and oxygen to form oxide rypen
(NO, NO2, NO3). These acidic epämetallioksidikaasut transported
of air-and water-soluble air. dissolves
in water, such acid
deposition reduces water pH. Epämetallioksidikaasut
also stick to the water droplets and rain upon them with the
rivers, lakes and seas. Such rain is called acid rain,
the gases formed in the water with carbon dioxide (HrCO3)
sulfuric acid (HrSOr) or ryppihappoa (HNO.).