What does this map show about the Viking civilization? It shows that the Vikings sailed to North America.
It shows all the people whom the Vikings conquered.
It shows the routes that the Vikings sailed around the world.
It shows the people whom the Vikings encountered on their journeys.

What is the chief metrological difference between measuring with a microscope and with an electronic comparator? a. the microscope is limited to small workpieces.a. the microscope is limited to small workpieces. c. the comparator can only examine one point on the workpiece. d. the microscope carries its own standard.