Which atmosphere layer is represented by F what are its characteristics

U whay do you need with?

Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf   

It idk haha what are we doing?

I'm sorry i cant you if you don't list the elements : (