Evolution of human colour vision that are found between 450 and 625. Individuals with various forms of colour blindness such as deuteranopia and protanopia are missing human middle wavelength sensitive or long wavelength sensitive opsins. Their minimum wavelength differences are <5 but only at around 500. Protanopes, who are missing long wavelength sensitive cones, are unable to distinguish between colours in the green-yellow-red section of the electromagnetic spectrum. They find yellow, red and orange colours to have much lower brightness when compared to a trichromat. The dimming of these colours can result in confusion in many cases, such as when attempting to identify red traffic
What Hurts the Most memorial on the side of the road, to kneel down and say that she saw him, answering his question asked earlier in the video "What do you see?" when they were talking about the future. The music video was directed by Shaun Silva in early 2006. Rascal Flatts' version of the song is set in the key of F minor, with a vocal range of E♭3-C 5. The main chord pattern is Fm-D♭-A♭-E♭. From "Me and My Gang" liner notes. In 2007, German Eurodance trio Cascada recorded a cover of "What Hurts the Most" for their second studio album, "Perfect