QUIZ 1.1b Making sense of air pollution data

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   atmospheric      concentrations      individual      instrumentation      mean      monitor      reliable      transient      unreliable      value   
(a) It is important to measure air pollutant to changes in composition.

(b) However, an individual measurement is due to errors in the used or changes in pollution levels.

(c) Therefore, a repeated set of measurements is required and the of the data calculated.

(d) The average value of a pollution level measurement is much more than an measurement.