Choose the appropriate word for the blank space to complete the sentence of the following passage:Ibn al-Haytham also subscribed to a method of empirical analysis to accompany theoretical postulates that is similar in certain ways to the scientific method we know today. He realized that the senses were prone to error, and he devised methods of verification, testing and experimentation to 3 . ______ the truth of the natural phenomena he perceived. Up until this time, the study of physical phenomena had been an abstract activity with occasional experiments.

A unearth

B dilute

C inform

D popularize

Correct Answer: Option A