In order to pull both wagons at the same acceleration what must you do? Help pls-

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

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.