The map shows the winter oxidized nitrogen concentrations in the European coastal and open waters in 2008.
The low category refers to values within the lowest 20th percentile and the high category refers to values within the upper 20th percentile of concentrations in a regional sea
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Fill up that freezer!
Help it consume less energy by keeping it full. It requires less energy to cool a full freezer than an empty one. Should you not have filled it, add some plastic bottles filled with water or even old newspapers – until you need the space!
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