You use one by kind of like end of sentences but they are pausing. I think that's how you use them.
Answer:
He needed a source of water to survive.
Explanation:
Brian can easily access water if he resides close to the lake, which will help him survive in the wild.
Answer: Students like mathematics teachers because <u>the teachers</u> are practical.
Explanation:
This sentence is saying that students like math teachers. This means that the "they" <em>is </em>the math teachers.
We can rewrite the sentence to make the pronoun clearer by replacing it as so;
Students like mathematics teachers because the teachers are practical.
Please note there are <em>many</em> ways to rewrite the sentence, this is just one of them.
Pronouns are words replacing nouns in a sentence.
Examples include he, she, they, him, it, etc.
<em>Read more about your question here:</em>
<em>brainly.com/question/1979855</em>