The correct answers would be "using contractions, slang terms, and colloquial expressions" and "using expressive punctuation". This way the writer brings the topic closer to the reader by making it "sound more like conversation". If you use "formal rules of grammar", it does not sound like a conversation, and "underlining words for emphasis" only draws your attention to those words. Mentioning your friend in the letter doesn't really affect anything.
Answer: Planes haven given us as people the ablility to, View the Earth from above.
In a way yes it has changed our technology because nowdays people, Have a faster way to travel, for instance, a car can travel 435mph while that is nothing compared to a plane which can travel 1000kmh.
Explanation: Not sure if this was helpful but I did some quick research, and hope it helps you out mate.
Answer:
publishing
Explanation: The content as well as readers must be taken into consideration. Also, what could be the possible pros and cons?
Answer:
A simple sentence consists of only one clause. A compound sentence consists of two or more independent clauses. A complex sentence has at least one independent clause plus at least one dependent clause.
Explanation:
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I would think you would use repetition
