Question

a student conducted an investigation to determine the effect of different amounts of water on plant growth. the student watered the plants every three days and measured their height after one month. all factors were kept constant except the amount of water each plant received.
what is the dependent variable in this investigation?
amount of sunlight
length of investigation
height of plants
amount of water

Explanation:

The dependent variable is what is being measured and is affected by the independent variable. Here, the student measures plant height and it is affected by the amount of water, which is the independent variable. Other factors like sunlight are kept constant.

Answer:

C. height of plants