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.
Use some statistics in it, or simple state what the pressures and activities are to help further your point on the last sentence. Also when saying according to the nsf teens should, further that sentence. Tell what teens should. It’s an incomplete sentence.
Number 5 should be the answer
