Plz help, its an emergency, giving lots of points for it. and srry if its in the wrong subject, not really sure? I just don't understand it at all, it's about atoms and all that stuff.

Which of the following statements are true of solids? a.the particles do not vibrate. b.the particles are in a fixed location. c.they have strong intermolecular forces between the atoms or molecules. d.the particles have less kinetic energy than those of liquids or gases.

Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?