In writing, citing an author means you quote, paraphrase or summarize the words of an external source and author and therefore should acknowledge this information is not yours through parenthetical documentation or citations. This according to the MLA manual which is the most common manual followed in academical writing can be included by writing the last name of the author and the page number in parentheses at the end of the citation or by mentioning during the text the last name of the author and including the page number in parentheses after the citation, this applies to all sources and authors that are cited once or multiple times except if the name of the author is not provided. According to this, in parenthetical documentation, you should include both the author's last name followed by a page number.
Answer:

Explanation:
In an effective speech the speaker <u><em>clearly introduces the topic</em></u>
[ Spends little time developing the topic ] This answer is incorrect.
In order to ensure a clear and strong speech, taking time to develop and create a valid topic is vital. This ensures that the audience will understand and clearly follow your speech. The topic also provides the barriers and grounds for your speech.
[ States main ideas but does not support them with details ] Evidence and details are needed in ensuring a valid speech. Main ideas are just ideas to the wind without backup, evidence and details. Main ideas hook to the topic, but details hook to the main idea.
[ Allows the listener to come up with his or her own conclusion ] This is not a debate. When giving a speech, this is your time, and when it is your time this is when you give your ideas and your topic. Sometimes you can engage with your audience, but you are not to allow them to give your speech for you.
He help his by giving him painful hits,facts an advise.
Answer:
<h3>Santosh is older than you , <em><u>isn't </u></em><em><u>he </u></em><em>?</em><em> </em></h3>
<em>hope</em><em> it</em><em> is</em><em> helpful</em><em> to</em><em> you</em><em> </em><em>☺️</em>