In the two-substance mixtures you have investigated so far, are there any situations where there is more than one correct answer? Explain. this is on gizmo i don't understand it

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

Amixture with the same composition throughout is!

What happens to the concentration of hydronium ions as the ph of a solution increases? a. hydronium ion concentration stays the same b. hydronium ion concentration decreases c. hydronium ion concentration increases