The answer to your question is feet.
Tim is someone's name, and thus, <u>is a proper noun.</u>
<u><em>Explanation:</em></u> A proper noun is a specific noun. For example, "lake" is a common noun and thus do not need capitalization but Lake Michigan is a specific noun (because it's a specific place) and does need capitalized. All proper nouns need capitalization, and a common proper noun is someone's name.
Doctor can be used generally, you could say, "I think I need to go see a doctor" so that's not it
Uncle could work if you were referring to someone specifically. "My uncle is coming over" is using it in a general sense, but, "My Uncle John is coming over" is more specific, so that would be a specific noun but in this case, it isn't.
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Robot by itself is a common noun so it isn't an option. For example, "did you see this cool robot she's working on?" It's used in a general sense.
Answer:
John tests Buck by commanding him to jump off a cliff, which Buck obeys before John stops him at the last minute. Buck luxuriates in his primitive, almost mystical connection with John, while John seems more confused and possibly scared of the implications of Buck’s devotion. In this way, John appears to have a less developed character than Buck, which seems surprising since Buck is a dog.
Explanation:
The answer is "more" because they said both more and frequent which are synonyms
