Kevlar Is One of the Hardest Polymer Known

Multiple Choice

Kevlar is one of the hardest polymer known.The exceptional strength of Kevlar is attributed to

A) amide bonds between the chains that form a sheet-like structure.
B) ester bonds between the chains that form a sheet-like structure.
C) disulfide bonds between the chains that form a sheet-like structure.
D) hydrogen bonds between the chains that form a sheet-like structure.
E) none of the above