-Some sentences which we can use on persuasive writing: Most people would agree, Only a fool would think, A sensible idea would be to, We all know that, Does not everyone know that, It would not be very difficult to, The real truth is that, Are we expected to, Naturally I feel that, The fact is that, Surely you would agree that, and Here are two reasons why. -Hypothesis: The purpose of this experiment was to test the effectiveness of composite filters made from citrus peels and citrus pectin along with charcoal and sand on removing heavy metal pollutants from the waters of Tar Creek. A toxicity test was also done before and after filtration using Daphnia magna. Charcoal and sand were used as filtrates to decrease the TDS and neutralize the pH of the water after filtration. Daphnia magna were used as toxicity test before and after filtration. It was hypothesized that the composite filters (citrus + sand +charcoal) will decrease the heavy metal concentration, neutralize the pH, ...
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