Which of the following is not a constant or control for this experiment

i think its the water because too much water could destroy the plant

amount of water

Explanation:

amount of water is neither a constant or control because not a constant because it is changed throughout the experiment. not controlled because it's not the base it's experiment is done on plant is

sun is a constant because it's not changed

the soil is a constant because it's not changed

your answer is rna to the question.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.