Which wave has a wavelength that is most likely seen as red light? 690 nm O A 580 nm n O B. 490 nm O C. M M m 440 nm m O D. M​

690 nm

Explanation:

Red: 620–750 nm

( if you need help with any other color light here they are )

   Violet: 380–450 nm (688–789 THz frequency)

   Blue: 450–495 nm

   Green: 495–570 nm

   Yellow: 570–590 nm

   Orange: 590–620 nm

   Red: 620–750 nm (400–484 THz frequency)

690?

Explanation: Hopes this helps!

a) carbon, hydrogen

b) carbon, hydrogen, oxygen, nitrogen

c) carbon, hydrogen, oxygen, nitrogen, phosphorus

d) sugar

e) amino acid

f) nucleotide