Question

I used bacteria to turn some milk (pH6.7) into yougurt (pH 4.5) I want to compare the time taken to make a yougurt at different temperatures

What is the independent variable of this investigation

Answer 1

[AI-generated answer — Bot GPT 3.5]

The independent variable of this investigation is the temperature at which the yogurt is made (e.g., 40°C, 45°C, 50°C, etc.).