It's a clause, your welcome; a clause is a sentence/group of words that offers a viable subject and verb, phrases on the other hand DO NOT.
so that it could help them understand the ravenous wildfire with the season in the American west. they wanted it so that they could be able to use it for heat and other stuff to burn and keep warm
Answer:
The correct answer is "You can use them as reminders of what each note is about."
Explanation: