What is the mass percentage of carbon and oxygen in carbon monoxide

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

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.

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption