With Respect to Making a Shift from Unsustainable Lifestyles to Sustainable

Multiple Choice

With respect to making a shift from unsustainable lifestyles to sustainable lifestyles, it is estimated that we have about _____________years to accomplish this, but that it takes about _______________per cent of the population to bring about such major social changes.

A) 50 to 100; 50 to 100
B) 100 to 1,000; 5 to 10
C) 50 to 100; 5 to 10
D) 5 to 10; 50 to 100
E) 75; 75