I think its informal because cool isn't a formal word
If I were to awnser this I would of chose c because if the mother is comparing the rock to her courage it means she doesn’t need the courage anymore it’s like she already has it.
The answer you gave is correct
Answer:
sequence of events..
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Answer:
on is the answer
Explanation:
hope it helps you 100%correct
•On is used to indicate position, usually indicating that something is on top of something else.
.•IN Use in when something is located inside of a defined space