Final answer:
A bar chart is most effective in displaying the count of each feature found in abandoned mine sites, allowing easy comparison between categories. A pie chart can also represent how a whole is divided but is less clear with many small slices, while a line graph and a scatter plot are less suitable for this data type.
Step-by-step explanation:
When choosing the most effective graphic to display the count of each feature found in abandoned mine sites, it is important to consider the strengths of various chart types. A bar chart is the most effective in this case because it clearly compares the count of different features by representing them with bars of varying lengths. This makes it simple to see which features are most common and how they rank against each other.
A pie chart could also be used to show how the total number of features is divided into categories. However, if there are many categories or some with very small counts, the pie chart might be hard to interpret, with slices being too thin to be easily visible or distinguished from one another.
A line graph is better suited for displaying data that changes over time and showing trends rather than counts of different categories. A scatter plot is more appropriate for showing relationships between numerical variables rather than counts of categories. In presenting this information, you would need to pay special attention to the clarity and readability of the graph, ensuring that the scales are correct and the labels are easily readable to avoid any potential display problems of misinterpretation.