1) How is a subduction zone formed? a) when one tectonic plate sinks below another b) at every type of convergent plate boundary c) at every type of divergent plate boundary d) at transform boundaries 2) Which of the following describes a convergent boundary? a) where two plates interact in any way b) when two plates slide along each other c) when two plates move apart from each other d) where two plates move toward and collide with one another 3) Which of the following are the two common features found at convergent ocean-ocean plate boundaries? a) volcanic island arcs and deep ocean trenches b) earthquakes and deep ocean trenches c) volcanic island arcs and coral reefs d) volcanoes and islands 4) When does an ocean trench occur? a) when oceanic crust subducts below continental crust b) when plates divide and magma rises up c) when plates slide past each other d) when we dig a hole in the ocean

Science 10-Motivation

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