Brainliest but do not give me a bad answer otherwise I will report you A solution has a [H3O+] = 3.7 × 10−3 M. What is the pH of the solution?

Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.