Question

consider the following experiment. use it to help answer the question. a student wants to know if the temperature of the water influences the effectiveness of a laundry soap on removing stains from a t - shirt. they conduct the following experiment using three groupings: group 1: a cold water wash with 5 similarly soiled t - shirts and one part detergent. group 2: a warm water wash with 5 similarly soiled t - shirts and one part detergent. group 3: a hot water wash with 5 similarly soiled t - shirts and one part detergent. what is the independent variable in this experiment? the removal of stains and soil the number of t - shirts the amount of detergent the temperature of the water

Explanation:

An independent variable is what is changed in an experiment. Here, the student is changing the temperature of the water to see its effect on soap - effectiveness. The other factors like the number of t - shirts and amount of detergent are kept constant.

Answer:

the temperature of the water