Impact of Nutrient Concentration on Plant Height

Easy Data Representation Understanding Graphs And Tables

A biologist is studying the effect of varying concentrations of a nutrient solution on plant height over a period of 6 weeks. The results of the experiment are summarized in the graph below:

Plant Growth Graph

The y-axis represents the average height of the plants (in cm), while the x-axis depicts the concentrations of the nutrient solution (in mL). The biologist notes that as the concentration increases, the plant height also tends to vary.

Based on the graph, what can be inferred about the relationship between the concentration of the nutrient solution and plant height?

Higher concentrations always lead to taller plants.

There is no correlation between nutrient concentration and plant height.

Increased concentrations initially improve plant growth, but very high concentrations can inhibit it.

Plant height decreases as nutrient concentration increases.

Hint

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