The cultural landscapes of North America can be compared to a parchment on which writing has been written, erased, and rewritten many times. The term for such a parchment is what? A. Palimpsest
B. Quarto
C. Nitriensis
D. Codices

You need to divided twenty four by a dozen them by the temperature it is getting cook by

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   

Your question is not clear but if you can explain yourself i would be glad to .  just trying to : ))

The answer is neonhope it