The visible part of the electromagnetic spectrum consists of the colors that we see in a rainbow. different colors correspond to different wavelengths of light. which color of visible light has the longest wavelength? a. violet b. red c. green d. yellow

One does not belong why? ice, gold ,wood ,diamond and table salt

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

What metric units would you use to measure the thickness of a key