If we add the hydrogen peroxide with a graduated cylinder that had vinegar in it, the sample could get contaminated with a(n) acid base oil all of the above

The sample could get contaminated with AN ACID.
This is because vinegar is an acid. Using a graduated cylinder that have vinegar in it will contaminate the sample with an acid and the chemical reaction  that the hydrogen peroxide is meant to be used for will be negatively affected as a result of this contamination.

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The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.