How does an increase in the annual melt season in antarctica have a global effect?
a. it causes an increase in heat related illness and death.
b. it causes the global concentration of carbon dioxide to decrease.
c. the water in the melting glaciers can cause sea levels to rise.
d. none of the above is true.

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.

Why is immigration so important today?

Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal