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>
Answer to this is copper wire
It can be found in tissues
Answer:
Stratum Basale
Explanation:
It is the layer that's closest to the blood supply lying underneath the epidermis.
I believe the answer is (B)
<span>a complex series of feeding relationships with many organisms interacting and depending on each other </span>