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>
C is the answer.We are using to classify organisms beyond molecular setting not by the physical structure.note-applicable for this question only
Fish have <span>Eukaryotic cells
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Answer:
Explanation:
bone is awalys thivk and heavy
The eye doctor is the most recent developments in using lasers for surgical eye procedure
