Answer:
valuable is the correct answer
Q1: would be A as it has opinionated response
Q4:would be D
Q3:D again as a trusted source makes credibility
Q5: I believe as that shows and starts into a my opinion statement
The author uses anecdotes by making use of short histories which show important discoveries
<u>Explanation:</u>
The story "luck favored the prepared" shows the various important discoveries that have been done by the various scientists which have helped the scientists to improve the life of the people and the discoveries have had a great impact on the life of the people.
The author gives some short stories in the history about the important discoveries to prove his point and also tells about the importance of hard work and the efforts put in by the people.
