Chapter 12, Problem 2CA

Summary Introduction

To determine: The following three graphs show the level of impurities found in a particular source of drinking water.

Chart (a) suggests that the source has a consistently high level of impurities throughout the year.

Chart (b) indicates that the level of impurities jumps up and down throughout the year.

Chart (c) shows an impurity level that is fairly consistent throughout the year—and fairly low.

Introduction: Visuals such as graphs and charts included in a report/ article help to understand the text/ content easily. Those visuals have a strong impact on the readers perception about the information presented. Therefore, it is important to create visuals correctly by considering the audience’s information need.