Answer:
no
Explanation:
a compound has 2 or more substances.and can be broken down.
a pure substance can't be broken down any further
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>
I think it would be A. Because DNA always has your genes
RNA travels to ribosomes, after leaving the nucleus, to perform translation and form amino acid with the help of tRNA
