The subordinate clause in this sentence is 'Since I stopped vacuuming', and it is used as an adverb in this sentence, the adverb of time.
A possible reason that I can think of it that they want to help and educate others on a subject or topic that they think it important.
Answer:
true
Explanation:
i think its relaxing because when i'm mad at my mom and i watch a funny movie it makes me feel better