Which describes how radiation moves? a: radiation moves from a cooler object to a warmer object b: radiation moves from a warmer object to a cooler object c: radiation moves from a warm object to an object of the same temperature. d: radiation moves from a cool object to an object of the same temperature

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

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.

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out