Consider the following statements: 1. Many of the world’s largest mountain chains exist beneath the sea. 2. Some mountain chains are revealed as island arcs. 3. The mid-oceanic ridges form the longest mountain chains. 4. The mid-Atlantic ridge rises thirt
Statements 1, 2, and 3 are correct. Many significant mountain chains are underwater, such as mid-oceanic ridges, which are also the longest mountain chains. Island arcs often depict exposed mountain ranges.