Answer:
a. Sarychev Peak is an island arc volcano, smaller but currently more active than Mt. Fuji.
Explanation:
Sarychev Peak is an island arc volcano that is smaller than Mt. Fuji but currently more active than Mt. Fuji. Active volcanoes of the Kurile island arc-Sarychev Peak on Matua Island in the Central Kuriles that was erupted violently on June 11, 2009 whose eruption lasted about 9 days which stands among the largest of recent historical eruptions in the Kurile Island chain.