Page 29 - E-Science Prep.2 2024-2025 t1 Unit1_Neat
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Artificial pollutants:

Kind of        its causes          its harms
pollution
1- Biological  mixing wastes       - Bilharzia
pollution      of human and        - Typhoid
               animalswith         - Hepatitis
2- Chemical    water.
pollution
               getting rid of      1- increasing concentrationof
3-Thermal      wastes offactories  lead in fish causes the death
pollution      in seas and rivers  of brain cells
                                   2- increasing concentrationof
4- Radiant     using water of      mercury in drinking water
pollution      rivers              causes blindness
               and seas in         3- increase concentration of
               coolingnuclear
               reactor                arsenic in drinking water
               1-throwing          causes liver cancer
               atomicwastes        separation of dissolved
               in water            oxygen from water that
               2-leakage of        kill marine creatures
               radioactive
               materialfrom
               nuclear reactor

2nd Prep. First Term          29
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