СН3
сн?
С-
Ć – CH3
CH2 -СН-СН2
-CH-

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.

Can someone me with 3 and 4 plz. this is for masteries test.

What’s the theoretical yield of solid lead