Identify the bold (***) subordinate clauses as noun, adverbial, or relative.




***When Olivia returned from her week-long summer vacation***, all her flowers had wilted.



Joe's parents will be happy with ***whatever college he chooses to attend***.



Did you know ***that Halley's Comet appears once every seventy-six years***?



The Chinese conversation classes ***that I took in college*** have proven to be very beneficial.



***Although you protest***, I will not change my mind.



The student ***who graduated as valedictorian*** has a reputation of putting forth her best effort in all her activities.