Geography question below

The layers of earth are based on what two sets of characteristics?

Why do u think kenny is afraid when he realizes that the reading he has chosen to do will be for byrons calss? what happens after the reading that surprises kenny?

Which of the following should be considered when evaluating the credibility of a text based on the voice? whether the voice is masculine or feminineo whether or not there is biaso whether or not the voice is true to the author's actual personalitywhether or not the voice reveals the timeline of the text