A subordinate clause is defined as the clause that needs the independent clause because it does not convey a complete thought. Based on the given sentence above, there is no subordinate clause, since the sentence is an example of a compound sentence having two independent clause connected by the coordinating conjunction "because". Hope this answer helps.
He is considerate, which best identifies his character trait.
Risks hikers might encounter in the mountains include extreme weather, wild animals, and poorly marked trails. :)