The inclusion of reputable sources and specific facts would best strengthen the author's main argument because it would offer factual proof instead of just the author's opinion on the matter.
If there isn't suppose to be a space between salt and water then yes because a compound word is made up of two words that are combined.
The narrator's friend suggested that he ask Wheeler about Leonidas Smiley because he think that person is made up.
Answer: The correct Answer is Her constant enthusiasm is a pretense that cannot be trusted.