An environmental scientist performs research to discover what is in the solid
garbage of the average American family. She calculates these amounts in
kilograms per year. The categories are paper, yard waste, metals, glass, plastics,
food scraps, and "other." Which kind of graph should she use to present her
finding, and how should the graph be labeled?
A. She should use a line graph. The x-axis should be labeled "Kind
of garbage." The y-axis should be labeled "kilograms per year."
B. She should use a circle graph. Each segment of the graph should
be labeled "number of kilograms per year."
C. She should use a bar graph. The bottom of each bar should be
labeled "kilograms per year." The vertical side should be labeled
"type of garbage."
D. She should use a bar graph. The bottom of each bar should be
labeled with the category of garbage. The vertical side should
have a scale and be labeled "kilograms per year."