What challenge does canada face in its effort to reduce the use of fossil fuels

Well fossil fuels are such a largely used resource in the economy it is hard to transition from it since its so depended on for many things.  

answer; /// i do believe its the ; //(iroquois)they were made up of several groups who spoke a common language;

6.3%

explanation:

the acceptance rate for yale university is 6.3%. this means that only 6 percent of people who apply actually get accepted!