What type of graph is used to display plant height over time in the material?

What type of graph is used to display plant height over time in the material?

• A. Bar graph
• B. Pie chart
• C. Line graph
• D. Histogram

Answer: (C)

Tracking growth over time is best shown with a line graph. A line graph shows how a measurement changes as time passes, which fits plant height that increases as days go by. With time on the horizontal axis and height on the vertical axis, the line reveals the growth pattern: its slope indicates the growth rate, and any plateaus appear as flat sections. If you’re comparing several plants, you can add multiple lines to compare their growth rates. Other graph types don’t capture change over time as effectively: a bar graph compares quantities at separate moments, a pie chart depicts parts of a whole, and a histogram illustrates how a single variable is distributed across ranges rather than how it changes over time.

Tracking growth over time is best shown with a line graph. A line graph shows how a measurement changes as time passes, which fits plant height that increases as days go by. With time on the horizontal axis and height on the vertical axis, the line reveals the growth pattern: its slope indicates the growth rate, and any plateaus appear as flat sections. If you’re comparing several plants, you can add multiple lines to compare their growth rates. Other graph types don’t capture change over time as effectively: a bar graph compares quantities at separate moments, a pie chart depicts parts of a whole, and a histogram illustrates how a single variable is distributed across ranges rather than how it changes over time.