Read this excerpt from Exploring the Titanic.

Was the Titanic really in our carefully plotted search area? If so, surely something would have shown up on our monitor screens by now. Were we looking in the wrong place? Would we return empty-handed?

Which mood does the author create through the use of questions in this excerpt?

curious
doubting
hopeful
judgmental

He united states can produce 200 pillows in one week, while spain and france produce 150 and 100 pillows, respectively, in one week. on the other hand, spain can produce 10 televisions in one week, while the united states and france produce only 5 and 4 televisions, respectively. has an absolute advantage in producing pillows, and has an absolute advantage in producing televisions.