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.
Canada, the United States, and Mexico make up the largest part of the continent of North America. The countries of Central America also are part of the continent, and several islands, including the West Indies and Greenland, are associated with North America.