Question

A scientist adds different amounts of salt to 5 bottles of water. She then

measures how long it takes for the water to boil. What is the responding
variable in this experiment?
O A. The time it takes for the water to boil
O B. The amount of salt added to the water
C. The kind of bottles used
D. The brand of salt used

Answer 1

A. The time it takes for the water to boil

It is because salt was added into the water. So the responding variable is the time taken to boil the water.

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