The first question is the answer that i need to know so me

How many countries have portuguese as a national language?

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.

Which measure of humidity, relative humidity or dew point, best describes the actual quantity of water vapor in a mass of air