What is the role of COSEWIC? 

A)  It helps prevent the importation of endangered species. 
B)  It estimates projected climate changes. 
C)  It provides expert assessments of species at risk in Canada. 
D)  It legally binds signatory governments to reversing the global decline of biological diversity.

Which situation involves a long time delay that results in environmental degradation? 

A)  depletion of the ozone layer 
B)  clear-cutting a forest 
C)  marine oil spills 
D)  building new four-lane highways