Effect of Sodium Chloride on Algal Growth

Hard Data Representation Understanding Graphs And Tables

A research team conducted an experiment to examine the impact of different levels of sodium chloride (NaCl) on the growth of a specific type of freshwater algae over a 6-week period. They measured the average growth of the algae, reported in millimeters (mm), under three different NaCl concentrations: 0 g/L, 10 g/L, and 30 g/L. The team's findings are summarized in the table below:

NaCl Concentration (g/L)	Average Growth (mm)
0	25
10	15
30	5

Based on the data presented in the table, what conclusion can be drawn about the effect of sodium chloride on the growth of this type of algae?

Higher sodium chloride concentrations promote greater algal growth.

There is no significant effect of sodium chloride on algal growth.

Increased sodium chloride concentrations are detrimental to algal growth.

Algal growth is highest at low sodium chloride concentrations, with moderate growth at higher levels.

Hint

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