Of the two options, choose the one that is a subordinate clause.
<h2>Answer:</h2>
<u>Until the rides shut down</u>
<h2>Explanation:</h2>
<u>Because</u><u> </u><u>it's</u><u> </u><u>considered</u><u> </u><u>closing rides, games, or attractions that cannot be cleaned and </u><u>disinfected</u><u>.</u><u> </u>