Which of the following is responsible for the Hawaiian islands appearing as shield volcanoes arising from the ocean floor? A. Hawaiian volcanoes all begin from a hot spot on the ocean floor which pours out molten rock that gradually builds around it until it becomes a mountain.

B. As a result of tectonic plate movement, the ocean floor buckles and cracks and form shield volcanoes which eventually became the Hawaiian Islands.

C. Underwater earthquakes occuring when two tectonic plates to collide, pushes up the earth's crust above the ocean, forming shield volcanoes which then became the Hawaiian Island