D, because it's written by professionals from professionals
C, Smoke companies will say its ok because they want more people to smoke
B, The asthma person can be totally biased because it's an easy topic to persuade people on.
A, Air purifiers are good but they just want you to buy their products.
Answer:
A)
Explanation:
You can think of a semicolon as a fancy period; all you have to do is see where you could have two independent clauses and put the semicolon in the. middle of them, like you can see in this answer. Hope this helps! :)
They could use the setting to build up tension by having the setting around the main character's dangerous?