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 is the second largest country on earthâ10 million square kilometres. Three oceans line Canadaâs frontiers: the Pacific Ocean in the west, the Atlantic Ocean in the east, and the Arctic Ocean to the north. Along the southern edge of Canada lies the Canada-United States boundary. Both Canada and the U.S.A. are committed to a safe, secure and efficient frontier