Rocky mountains highlands and water
Australia, north America, south America, Asia, and Europe
amazon rainforest
They are the only two landlocked countries in South America. They are both countries in south central South America, they share a common border, and they have some of the same physical landforms such as mountains and rivers. Both have borders with Brazil, Argentina, and Chile.
oceans, lakes, rivers
these continents both have mountains sopuroundimg the west sides
An integral part of South America's landscape.
zero
there are mostly both of them. there are hills, plains, and mountains and other landforms
volcanoes
Plateaus, mountains, peninsulas, islands, and hills.
There are a variety of landforms in the southeastern United States. Some of these include the Appalachian Mountains, rivers, lakes, as well as coastline.
In the comprehensive list of "...est' locations of landforms on earth, below, there is no location in South American that is listed below sea level.