Which plate boundary is characterized by two plates moving away from each other?

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Multiple Choice

Which plate boundary is characterized by two plates moving away from each other?

Explanation:
Moving apart is a constructive boundary. When two tectonic plates separate, magma from the mantle rises to fill the gap and cools to form new crust, a process known as sea-floor spreading at mid-ocean ridges (or the formation of rift valleys on continents). This creation of new crust is what defines a constructive boundary. In contrast, destructive boundaries involve one plate sinking beneath another, and transform (sliding) boundaries involve lateral motion without creating or destroying crust. So the boundary described is constructive.

Moving apart is a constructive boundary. When two tectonic plates separate, magma from the mantle rises to fill the gap and cools to form new crust, a process known as sea-floor spreading at mid-ocean ridges (or the formation of rift valleys on continents). This creation of new crust is what defines a constructive boundary. In contrast, destructive boundaries involve one plate sinking beneath another, and transform (sliding) boundaries involve lateral motion without creating or destroying crust. So the boundary described is constructive.

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