What inference does the passage support regarding back over data

This is the formula ph + poh = 14 11.8 + poh = 14poh = 2.6then to find concentration, the formula ispoh = -log[oh^-]2.6 = -log[oh^-][oh^-] = 2.5119×10^3 m

The film maker would put sound effects in the film instead of describing the sounds because its a film so most likely sound effects of animals is your answer

Im thinking a.  at the top left-hand corner