Which two terms describe how waves of dim blue light are different from waves of bright red light?
O A Lower amplitude
B. Higher amplitude
OC. Shorter wavelength
O D. Longer wavelength

Although the two stimuli are very different in terms of composition, wave forms Two physical characteristics of a wave are amplitude and wavelength lower frequencies, and shorter wavelengths will have higher frequencies  At the top of the figure, the red wave has a long wavelength/short frequency.

.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue