Andes Mountains.
Not really. The Great Barrier Reef is a major feature of the Queensland coast. The strait between NZ's two main islands is Cook Strait.
It is the Himalayan Mountain Range that forms a natural barrier between China and India.
Andes mountains this answer was answered by KEITH WILSON
Appalachian mountains
The barrier islands
The Great Barrier Reef
The Welland Canal was formed by Lake Ontario, but is in between Lake Ontario and Lake Erie!
The Pyrenees Mountains between France and Spain were an effective barrier to trade and cultural contact.
A physical feature that forms part of the border of New York State is Lake Ontario. If you mean the border around New York City, a physical feature would be the Hudson River.
It is a physical feature; the Savannah River.
Himalayas
The Appalachian mountains
Desert. It made for a formidable natural barrier against any neighboring peoples considering an invasion.
Desert. It made for a formidable natural barrier against any neighboring peoples considering an invasion.
This is the Great Barrier Reef, the world's largest coral reef and the only living organism visible from space. It extends about 2300km down the coast of Queensland.
Lake Ontario