25 July 2009
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Q.Where do hedge your bets and sit on the fence come from?
A.'Hedging your bets' comes from a financial term for reducing risk: 'hedging'. 'Sitting on the fence' is to be neutral, not on either side of the 'fence'.
Q.What do an acid and base equal?
A.The chemical equation of an acid plus base equals salt plus water is true. This is a neutralizing reaction. Carbon dioxide is not produced as a result.
Q.What is carbon neutral?
A.Carbon neutral is a term applied to organisations, businesses or individuals whose practices contribute zero carbon dioxide emissions to the atmosphere.