Do u still need help I know how to do that
Answer:
Filtering to obtains breadcrumbs and the heat the salt solution to saturation and cool it
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>
Explanation:
algea bottom of foodchain with water worms and mice?
