Dull blades of an electric knife should be sharpened with
a. a pattern file.
b. an oilstone.
c. a flat file.
d. a bench grinder.

two factors or characteristics of a chapter that might make it difficult to read would be words i don't understand, or if i don't fully understand what's going on in the chapter. strategies i can use to get through the difficult material would be a dictionary, and re-reading previous chapters to get a better grasp of what the author is trying to say.

answer; /// i do believe the correct answer is (c) public education;