For a 1.00 m ( 100 cm) crumble zone, how much deformation do you think is needed in order to keep the passenger the safest? Explain

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.

Drug abuse will not lead to physical and psychological dependence. true or false ?

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.