South America
None. It is firmly set within the North American continent (or the American continent, depending on the number of continents you are taught). It however, connects two regions within the North American continent: the United States to the north and Central America to the south. Note Central America is a region, not a continent.
SOUTH AMERICA AND NORTH AMERICA
Central America is the countries that connect North and South America. The entire mass of land is referred to as the Americas.
South America
I think its Central america, and South America.
North and South America
The Rocky Mountains are the backbone of North America. They continue down through Central America and connect with the Andes Mountains which are the backbone of South America.
panama is connected to columbia.
Asia, Central part. The Asian Continent has the region in the center called Central Asia. There are five states are counnted to be part of this Central Asian region. Uzbekistan, Tajikistan Kazakhstan, and Kyrgyzstan. Some US sources sometimes connect also Northern Afghanistan to Central Asia which is also fare.
Mesoamerica is Central America: including Mexico, Panama, Guatemala Honduras and other countries. These are the nations that connect North and South America.
uzbekistan is not a continent, it's a country. its on the continent of asia, between kazakstan and turmenistan,Kyrgyzstan and Tajikistan. This is the only country which is bounded with the rest four states of Central Asia. Sometimes people say this is a continent, a continent of adventures. However it is a region, a part of Asian continent and Uzbekistan is a part of this region named Central Asia.
No.The Antarctic mountains are on the Antarctic continent and the Appalachian mountains are in North America.