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Electricity generating stations have found ways of combating thermal pollution including using cooling towers so cooling water is completely recycled and the use of cooling lakes as a dedicated supply of cooling water. This is a costly process but the move comes as a result of social...

how much do you have to know from year 11 be able to continue on to yr 12 chem? would it be hard to start yr 12 chem without knowing much about the yr 11 topics chemical earth, metals, water and energy.