Liquids and gases have all of the following characteristics except which one?

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

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.

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !