How can warm water from factories affect the environment?
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Card 17
Front
What does bacteria feed on?
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Card 18
Front
Some chemicals poison living organisms eventually killing them what does this lead to?
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Card 19
Front
What can acid rain leach from soil and into the rivers?
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Card 20
Front
What effects does this cause?
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Card 21
Front
Some species need clean air and water to survive however some animals can live in polluted areas why can't the polluted species compete against the other species?
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Card 22
Front
Scientists can count the number of indicator species in an area to indicate what?
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Card 23
Front
Why do scientist monitor the levels of oxygen in the water or the amount of bacteria in the water?
