Question

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a line graph is the best way to represent the data in the table. what information belongs on the x - axis? paramecium contractile vacuole contractions salt concentration outside paramecium contractions per minute very high 2 high 8 medium 15 low 22 very low 30 salt concentration outside paramecium contractions per minute

Explanation:

In a line - graph, the independent variable is plotted on the x - axis. Here, the salt concentration outside paramecium is the independent variable that affects the number of contractions per minute. The contractions per minute depend on the salt concentration.

Answer:

salt concentration outside paramecium