a.
Research question. Hope this helps.
The soil is ruined by people planting
I think you are right. The form verbs take to express a hypothetical or possible situation.
Hey! We need the numbers to do so!
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.