Answer:
by providing biographical information about specific astronomers and their discoveries
Explanation:
Ball has written a book about the great astronomers and reveals that astronomy would not be what we know today without the lives of these men who have contributed so much to the development of this science. During the development of his book, Ball can refine the central idea by providing biographical information about specific astronomers and their findings, thus proving how important these men were and how they influenced astonomy.
<span>I’ll never forget the joys we had, which remind me of spring and the melting snow.
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Some individuals miss a great deal in life because they are afraid to try new things.
The camping trip is new to the city boys since it is their first trip. Also, since the boys are described as being from the city, we know that being outside in the wilderness could also be new. One of the boys chooses not to take part in any of the typical camping activities. This shows that he is afraid to try something new and therefore misses out.
Some individuals get into a lot of trouble because they try too many new things.
This story idea deals with Heather doing something that could have been a good idea, but because of the weather, it turned out to be bad. We do not see any evidence that she's afraid to try something new, that she has a childlike side to her personality, or that adults are not taking young people seriously.
Answer: Ethos.
Explanation: there are three main rhetorical strategies when giving an argument in a speech or in a text, they are pathos, logos and ethos. Pathos is appealing to the audience's emotions, logos consists in appealing to the audience's logic, and ethos is appealing to the audience's ethics. In the given excerpt from Kennedy's speech, we can see an example of Ethos, because he is using his position as president (which gives him credibility) to convince the audience.