Sulfur dioxide and other gases into the air. These dissolve in water and fall as acid rain.
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Problems with acid rain?
Destroys trees and plants/ Makes rivers and lakes acidic/ Plants and animals cannot survive in acid/ Reacts with minerals in the soil so plants can't take them in.
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What is a pollution indicator?
Organisms that are sensitive to pollution, their presence or absence can be used to indicate the level of the pollution in an area.
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Name the water pollution indicators?
1) Mayfly larva. 2) Freshwater Shrimp. 3) Water Louse. 4) Rat tailed maggot.
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What level of water pollution does each indicator species indicate?
Mayfly Larva = clean. Freshwater shrimp = Low. Water louse = High. Rat tailled maggot = Very high.
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Bushy lichens indicate...?
Really clean air.
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Leafy Lichens indicate...?
A small amount of air pollution.
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Crusty lichens indicate...?
More polluted air.
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Blackspot fungus indicates...?
Sulfur dioxide pollution.
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Other cards in this set
Card 2
Front
Burning fossil fuels release...?
Back
Sulfur dioxide and other gases into the air. These dissolve in water and fall as acid rain.
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