Write a summary about the movie "Wall E" and what it says about how human impact on our climate changed the world. What do you think could be done differently now so our world DOES NOT have the same fate? One - two paragraphs (4-6 sentences per paragraph.

The correct answer is "atomic weight".

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   

Answer trigonal pyramidal;