The one that isn’t given the treatment is the control because it allow you to compare the result of when you would add music and when there isnt music
Answer:
DNA and the genetic code reflect the shared ancestry of life. DNA comparisons can show how related species are. Biogeography. The global distribution of organisms and the unique features of island species reflect evolution and geological change.
Valves ensure blood flows toward your heart. Vein valves work to bring the blood that flowed down via arteries back up to your heart.
Renewable resources are so abundant or are replaced so rapidly that, for all practical purposes, they can't run out. ... Renewable resources include solar, wind, hydro, and (possibly) biomass.
By weakening bonds in reactants