Answer:
D. She knows that the lye she uses to make soap can also confirm whether the rock is gold.
Explanation:
In the text she says that if the rock is gold, it would not be harmed by the lye. This affects the plot because now they know that there will be a truthful possibility whether they found gold or not.
Explanation:
The answer is B. because in correct grammar, Instead of adding a run on sentence, the semicolon allows a break to decrease a run on without ending your thought. Or u can have 2 short sentences/ victor nvr saw the car coming. Now, he has a huge dent from the collision.
I would say the tone of this sentence is formal.