7. Choose the answer that best completes the sentence. The Harbor of Rio de Janeiro is considered one of the world's seven natural wonders _____ it is very large. A. however B. on the other hand C. although D. because 8. Describe the mountains that surround the Harbor of Rio de Janeiro. Support your answer with evidence from the text. 9.To answer your question: yes, it's common. Other answers stated this already. But no other answer mentions what burnout therapy looks like. A friend of mine answered his phone almost 24/7, on vacation, whenever, wherever. When his colleague, who did the very same, broke down, he had to take over his part, too. Finally he broke down, too.