Which of the following will interfere with an absorbance measurement? 1. fingerprints on the outside of the cuvette 2. scratches on the cuvette 3. a clear colorless solution 4. air bubbles 5. the cuvette filled to the top 6. liquid on the outside of the cuvetteselect one: a. 1, 2, 6 b. 2, 3, 5, 6 c. 1, 4, 5, 6 d. 1, 2, 3, 4, 6 e. 1, 2, 4, 6