Which sentence best demonstrates the language required of an argumentative speech? To improve their games, chess players must face skilled opponents and attempt novel strategies.
Chess players often study the strategies and famous matches of well-respected chess masters.
Chess players often make the mistake of playing their peers and less-skilled opponents just for fun.
The only way for chess players to get any better is by learning from the pros and testing out risky moves.

To improve their games, chess players must face skilled opponents and attempt novel strategies.

Explanation:

An argumentative speech is refered to as a form of persuasive speech whereby the aim of the speaker is to convince the audience so that their viewpoints regarding a certain topic can be changed.

The sentence that best demonstrates the language required of an argumentative speech is "To improve their games, chess players must face skilled opponents and attempt novel strategies".

the correct answer is dilapidated.

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c) vampires in history and modern life.