The two major volcanic regions are at the island arc and ring of fire.

TRUE. 

The two major volcanic regions are the Island Arc and Ring of Fire.

Ring of Fire is a major volcanic belt that rim the Pacific Ocean. It is formed by many volcanoes. Thus, the name Ring of Fire.

Island Arc is a string of islands formed by the volcanoes along a deep ocean trench. The curve of an island arc is similar to the curve of the deep ocean trench.

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