Explanation:
<u>The first one is a base</u>
<u>The second one is an acid</u>
A base has a pH above 7
An acid has a pH below 7
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C.Pennsylvania Titusville is in the state of Pennsylvania
B) energy is absorbed by the reaction
is right answer.
The answer is cadmium its got 48 electrons which is y its number 48 on the period table