Choose the word that best completes this sentence. to staysafe while working near power lines, you should verify the lines’ to determine the safe working distance.

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.

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.