I'd say "native", "mangnanimity", and maybe "justice" are emotionally charged. You can tell by the context of the sentences.
~Hello there!
Your question: Which is a way to present a research report?
Your answer: The best way to present a research report is multimedia presentation.
The answer is number 4.
Any queries?
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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.
When talking about recycling, people don't seem to consider the recycling of clothing.
The comma should be placed between the first use of recycling and people. The subordinate clause is "when talking about recycling". This is a clause because of the word "when". When makes the reader wonder when what? The main clause is "people don't seem to consider the recycling of clothing."