Answer:
D got it right on study island
Step-by-step explanation:
Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of blue litmus paper into the substance, and the litmus paper stays blue.
The substance in the beaker
A.
does not have a pH.
B.
is an acid.
C.
has a neutral pH.
D.
is a base.