George enters the types of gases and the amount of gases emitted in two columns of an Excel sheet. Based on this data he creates a pie chart. In this case, the information typed out by George in the two columns of an Excel sheet is known as a .

data source

Explanation:

The main aim of a data source is for the gathering of all necessary information that is needed to access a data. Since he has used the information to create a pie chart, this means that some data were used for the creation of this pie chart. Hence the information used for the creation of the pie chart is the data source for the information illustrated on the pie chart.

answer; technician (b) is wrong; so im thinking technician (a) is correct; good luck

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