Using the information below, and based on your knowledge of enzymes - which independent variable would be a good starting point to determine the cause of the poor result?

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a
The temperature of the wash vat where the enzymes are added.
b
The education of the quality control team.
c
The color of the jeans after the enzymes did their work.
d
The number of people working in the factory.

Based on the information provided, the independent variable that would be a good starting point to determine the cause of the poor result is:

a) The temperature of the wash vat where the enzymes are added.

Enzymes are known to be sensitive to temperature, as their activity can significantly change with variations in temperature. Therefore, it is likely that the effectiveness of the enzymes in the wash vat could be affected by the temperature at which they are added. By investigating and monitoring the temperature of the wash vat, it would be possible to determine if it is within the optimal range for the enzymatic action and make necessary adjustments if needed.

Based on the information provided, a good starting point to determine the cause of the poor result would be to investigate option a: the temperature of the wash vat where the enzymes are added. Temperature can greatly affect the activity and efficacy of enzymes. Thus, it is reasonable to suspect that an incorrect or suboptimal temperature in the wash vat could have led to the poor result. Further investigation can be conducted by assessing the temperature conditions during the enzyme treatment process.