Answer:
C. Grapefruit juice with a pH of 3.0
Step-by-step explanation:
The pH is a scale which is used to test acidity or alkalinity of a solution. The pH scale ranges from 0 to 14. A pH 7.0 is neutral which is of pure water. It is neither acidic nor basic. The ranging from 0.0 to 6.9 is acidic and the ranging from e from 7.1 to 14.0 is acidic. In the question, it is stated that the venom a honeybee has pH of 5.0 which is acidic and the grapefruit juice with a pH of 3.0 which is less than pH 5.0. Therefore, the grapefruit juice is more acidic than the honeybee venom.