Bears can sniff out human food with impressive efficiency. Consider: A bloodhoundâs nose is equipped with about 230 million olfactory cells (scent receptors). Thatâs 40 times the number in humans. It is estimated a bearâs nose is just as sensitive as a bloodhound (if not more so).
Countries that border Mexico are Belize, Guatemala and the United States. The bodies of water it borders are the Caribbean Sea, the Gulf of Mexico, and the North Pacific Ocean.
The Great Canadian Shield is the largest of Canada's 6 physical regions and includes the Northwest Territories, Nunavut, Quebec, Alberta, Saskatchewan, Manitoba, Ontario and Newfoundland and Labrador. It mainly is rock that was once mountains millions of years ago.