1 umu, or indian oceans? 2. You are sailing on a ship, without GPS, but with...
1 umu, or indian oceans? 2. You are sailing on a ship, without GPS, but with an accurate chronometer that you set to Greenwich time when you sailed from England. When the Sun reaches its highest point, your chronometer reads 09:20. What is your latitude? What ocean are you in? 3. What three lines of evidence did Tuzo Wilson use to demonstrate that extrusion of new ocean crust had caused Africa and South America to spread apart? What cycle did he propose-i.e. what happens and what is it called? Diagram three types of fault zone associated with seafloor spreading. Label all components. 4.