From what reference line on earth is latitude measured?

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

Canada plays an important role in the global community in all of the following ways except by a. acting as a superpower with influence over europe and asia. b. promoting arms control and disarmament. c. working with the commonwealth of nations to promote trade. d. promoting trade with japan and other asian countries.

Uncle tom's cabin started out as a series of articles printed in the national era, a newspaper.