The USA is part of the North American continent. It is not made up of continents.
granite
7 continents
Yes. There have been continents since water fell to Earth.
Because of all the earthquakes that have occurred. The seven continents used to be one but over the many years there has been a lot of erosion and earthquakes. The continents are still moving so in a very long time there will be more than seven continents most likely.
Alexander the great made conquests on 3 continents. They were Europe, Africa and Asia.
All continents except Antarctica have been affected by tornadoes as have most, if not all countries. Many thousands of cities have been hit by tornadoes, far too many to list here.
Oceans are made out of sea water, and continents are made out of land; dirt and rocks. Oceans are liquids, continents are solids.
Alexander the Great made conquests on 3 continents. They were Europe, Africa and Asia.
granite
The continents moved because of the tectonic plates of earth that they rest on.
Their is 7 continents on a globe
Because SouthAmerica and Africa looks like it could connect
three continents
I THINK............1600.
rock
It is commonly accepted that the continents have not always been in their current locations. They are thought to have all been part of a super continent known as Pangaea.