both becuase the 1. if the plant is able to develope in the particular environment and genetics becuase certain plants will grow according to their parents.
Answer:
The fourth plant that receives pure water is the control group.
Explanation:
The election of a control group is essential in an experiment. Its principal purpose is to allow the discrimination of the results obtained by the treatment in the study, in this case, <em>the different concentrations of salty water that each plant receives</em>. The control group provides a reference point. It must be selected from the same population of the treatment groups. Both groups must be similar in every variable that might influence the results, <u>except for the study treatment.</u>
That doesn’t rlly make much sense... you’d joyful search up the answer instead or HMU
Here is the definition
<span>
an unborn or unhatched offspring in the process of development.</span>