They were already formed but the were covered with water.
The possessive form of bridges is bridges'
Land bridges aren't actually formed, they are already there but covered by the sea. When a glacial period starts, the water evaporated from the oceans falls as snow on the land and then compacts as ice which does not melt. Continual removal of water from the oceans over thousands of years causes sea level to drop and exposes the "land bridges".
Takes up space where land could grow, or where a river can form.
bridges connect land masses
Bridges is the plural form of bridge.
Mesosaurus fossils
The Sinai Peninsula is a land of dry deserts that bridges the continents of Africa and Asia. It is located in Egypt and is bordered by the Mediterranean Sea to the north and the Red Sea to the east.
The Aztecs adapted to their land by Chinampas, Building Bridges, and Hunting animals
Land bridges
it's more fun in the philippines
When you finally reach dry, flat land there is no need for a bridge. So many bridges are attached to roads and railways instead, often at both ends.
it broke off from land bridges that uses to be in Asia