A 6,000-km undersea glass fiber telephone. line crosses the Atlantic ocean connecting the United States and France. (a) How long does it take for a message to traverse this link?

(b) How long does it take for a message to travel from the United States to France by us-ing a satellite link? The satellite is stationed about 22,000 miles above the earth between the United States and France. (c) Will two people having a conversation across these two different links notice the travel delays?