What may occur when convergent boundaries interact? formation of island chains creation of mid-ocean ridges creation of convection currents formation of rift valleys

When convergent boundaries interact, several geological features can form as a result of the collision and subduction processes between tectonic plates. Let's evaluate each of the options you've provided: 1. **Formation of Island Chains:** - **Correct.** At convergent boundaries where two oceanic plates collide, one plate is typically subducted beneath the other. This process can lead to the formation of island arcs or island chains. A classic example is the Japanese Archipelago, formed by the subduction of the Pacific Plate beneath the Eurasian Plate. 2. **Creation of Mid-Ocean Ridges:** - **Incorrect.** Mid-ocean ridges are formed at divergent boundaries, where two tectonic plates are moving apart from each other. Magma rises from below the Earth's surface to create new oceanic crust, leading to the formation of these underwater mountain ranges. 3. **Creation of Convection Currents:** - **Incorrect as a Direct Result.** Convection currents occur in the Earth's mantle and are responsible for the movement of tectonic plates. However, they are not a direct result of the interaction at convergent boundaries; rather, they are part of the underlying mechanism that drives plate tectonics. 4. **Formation of Rift Valleys:** - **Incorrect.** Rift valleys typically form at divergent boundaries where tectonic plates are pulling apart. An example is the East African Rift. They are characterized by the sinking of land between parallel faults. **Summary:** - **Occurs at Convergent Boundaries:** Formation of island chains - **Does Not Occur at Convergent Boundaries:** Creation of mid-ocean ridges, creation of convection currents (as a direct outcome), and formation of rift valleys **Therefore, the correct outcome when convergent boundaries interact is the formation of island chains.**