Excerpt from volcano forms new pacific island
angela antrim

1 northern pacific ocean—scientists have discovered a new, currently unnamed island in the northern pacific ocean. the small island is located in an isolated area between hawaii and the marshall islands. scientists believe that an erupting volcano formed the island.

2 islands form when magma inside the earth spills onto the earth’s surface. once magma hits the planet’s surface, it is called lava. the erupted lava then cools and hardens to form rocks and land. scientists believe the volcano that created this new island has been erupting under the ocean for hundreds of years. nevertheless, the lava has only recently risen above the water’s surface to form land. scientists think the new island will expand as the volcano continues to erupt.

according to the article, which is an effect of volcanic eruptions?
a) island formation
b) mountain formation
c) earth's plates colliding
d) earth's plates separating