In the reaction c + 02co2, 18 g of carbon react with oxygen to produce 72 g of carbon dioxide. what mass of oxyger would be needed in the reaction?

18g

54g

72g

90g

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.

How have ethnic groups shaped the population in central america and the caribbean? how has migration shaped the population in central america and the caribbean? how has small land areas shaped population in central america and the caribbean? how has a rapid population growth shaped the population in central america and the caribbean?

The point (-2,5) is located in quadrant