Which statements describe convergent boundaries? check all that apply. rifts form. subduction occurs. island arcs form in the sea. mid-ocean ridges mark locations. volcanic mountains form on land.

The answers are - Subduction occurs and Volcanic mountains form on land.

Convergent boundaries form where two crustal tectonic plates collide and under the pressure of the collision they form a subduction zone where one of the plates is descending under the other. In the nearby surrounding area emergence of volcanoes is a common occurrence. 

The answer is d., a mountain.

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