Question

question 5
2 pts
what variables change?
ms. mitchell designed an experiment to answer the following question: how does the amount of water provided to a sunflower seed affect how tall it grows? in this experiment, what variable should she change?
the amount of sunlight exposure
the type of soil
the amount of fertilizer applied
the species of the plant
the amount of water

Explanation:

The experiment aims to study the effect of water - amount on sunflower growth. So the variable that should be changed is the factor being tested, which is the amount of water. Other factors like sunlight, soil type, fertilizer amount, and plant species should be kept constant to isolate the effect of water.

Answer:

The amount of water