Hemicellulose is an example of which of the following types of polymers? Select one: a. Linear polymer a. Linear polymer b. Homopolymer b. Homopolymer c. Branched polymer c. Branched polymer d. All of the above d. All of the above e. None of the above.

Sorry i dont understand the question can you rephase it?

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