THUS Gran NONS Translate Dashboard Khan. 3 Beg Band Clarinet Welcome, Sofonias Te X Q Searon is and so Leaming Diagnostic Analytics Common Core Recommendations Skill plans Science La Language arts Seventh grade F.5 Compare physical and chemical changes PPU What do these two changes have in common? rain forming in a cloud ice crystals forming on a window Select all that apply. Both are changes of state. Both are caused by heating. Both are chemical changes. Both are only physical changes. Submit​

intermolecular forces are the forces between molecules or particles.

there are two kinds of van der waals forces: weak london dispersion forces and stronger dipole-dipole forces.

in molecule of water there are dipole-dipole forces between negatively charged oxygen from one molecule of water and positively charger hydrogen of another molecule of water.

hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (h), covalently bound to a highly electronegative atom such as flourine (f), oxygen (o) and nitrogen (n) atoms.  

sup bro, im dumb, but this is what i found xd

"the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface"