The diction of Steinbeck here in apparently describing the dustbowl conditions of the Dirty Thirties is speaking of "tenant men" or presumably men who were tenant farmers perhaps who were allowed to live on the land in return for working it and that they "scuffed" their way home indicates that the dust was so thick they had to scuff but also perhaps that since they could barely make a living under the poor agricultural conditions they did not walk confidently but scuffed.
Answer:
address is not nessecary :)
Answer: D) Do you recognize ideas you've run across in other sources
or A but I say D
Explanation: because D is like you have already read over and spotted something interesting, but A seems accurate too.
Answer:
"and this overload of stimulus could be altering the way their brains are getting wired."