Nyatakan keistimewaan wilayah berikut hingga menarik minat British untuk menguasainya pinang​

29.1-12=17.1the answer is this one

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   

A. is your answer.  hope this