The amount of trees in a given location?
The area near Somalia. Because of desertification, 250 thousand people have died in that area.
The "Canadian regionalism" relates broadly to the spirit of regional variations in Canada. In Canada, regionalism is an inescapable part of society, economy, and politics. It also leads to stresses between institutional and emotional attachments, national and local economy.
Answer:
Mercury is the smallest and closet to the sun.