The correct answer to this question is:
C. <span>It more clearly describes how commuters absorb the city when they come to work.
I hope this helps you!
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Unpredictable
Wild
Changeable
Highly Variable
The subordinate clause here is A, "as the layers of ash slowly compressed". Subordinate means that it cannot exist on its own, it has to be a part of the main, independent clause.
