Scientific Variables

A doctor gave the same patient, different numbers of pills each day, the doctor measured the level of histamine (chemical) in his body. Determine the independent variable.

A doctor gave the same patient, different numbers of pills each day, the doctor measured the level of histamine (chemical) in his body. Determine the dependent variable.

A student wants to investigate the effect of different liquids on the height of the plant. Determine the independent variable.

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