A Dam
A wall or barrier that is natural is called a cliff or a rock formation, while an artificial wall or barrier is often referred to as a fence or an enclosure.
A Dam
distacore
himilayan mountains
Lake Qinghai
Lake Qinghai
A natural barrier made of molten rock as it cools is called a lava dam, formed by solidified lava flows. An artificial barrier built to prevent flooding is called a levee, which is a raised embankment constructed along the banks of rivers or lakes to contain or divert floodwaters.
The natural barrier that protected Egypt in the south is cataracts.
The natural barrier that protected Egypt in the south is cataracts.
The natural barrier that protected Egypt in the south is cataracts.
The Great Wall of China served as a natural protection for northern China, as it acted as a barrier against invading forces. Additionally, the Gobi Desert to the north provided a natural obstacle that deterred potential invaders.
The Appalachian Mountains.A wall of Mountains The 1,500-mile- long Appalachian Mountain range formed a natural barrier to westward expansion.