The author's tone in a piece of writing is the author's attitude toward the topic.
Answer:
I believe the best answer to be letter A) sentences 5 and 6.
Explanation:
What we have in sentences 5 and 6 is an example of wordiness. Wordiness means taking longer than what is necessary to get to the point. It happens when we use redundant expressions or simply when we use too many words. Removing wordiness from a text helps it to flow more easily.
In sentence 5, we learn that Carver taught students something. In sentence 6, we learn he taught them something else. Both sentences are quite short and could very well be combined to avoid the repetition of "he taught". All we need to do is add the conjunction "and", and remove the excess words.
(5) Later, he taught students how to care for plants. (6) He also taught them how to use science in farming. --> Later, he taught students how to care for plants and how to use science in farming.
