
Interpretation:
The given data is to be interpreted and a graph is to be drawn.
Concept introduction:
The values of radon level are noted on particular time. A line or bar graph can be formed.

Answer to Problem 11STP
A line graph is drawn showing the radon level change within the interval August 2004 to July, 2005.
Explanation of Solution
The line graph is drawn taking radon level on Y-axis and Months on X-axis.
The radon level change has no particular pattern. Sometimes it increases, sometimes decreases and sometimes remain same.
Chapter 13 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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