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Ozone is more efficient at killing bacteria in water,yet chlorine is used more commonly for that purpose in municipal water treatment.Why?
Lottery Tickets
Pre-purchased tickets for a lottery, a form of gambling where winners are selected by drawing of lots from among those who have paid money to participate.
Daily Drawings
A practice or exercise involving creating a drawing every day, often used to enhance artistic skills or for personal expression.
Weekly Drawings
A regular event, usually organized to select winners by a random draw, commonly used in lotteries or contests.
Belief Perseverance
The tendency to maintain a belief even after the evidence supporting it has been discredited or contradicted.
Q9: The _ and _ are the principal
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Q122: The conjugate base of HPO<sub>4</sub><sup>2-</sup> is _.<br>A)PO<sub>4</sub><sup>3-</sup><br>B)H<sub>2</sub>PO<sub>4</sub><br>C)H<sub>3</sub>PO<sub>4</sub><br>D)H<sub>2</sub>PO<sub>4</sub><sup>-</sup><br>E)none