Which event of the 1800s led to increased interest in the colonization of africa? a. the industrial revolution b. world war i c. world war ii d. the american revolution

When volcanoes erupt, magma (hot, molten rock) rises toward the surface of the earth. as magma cools, solid rock forms. this rock contains substances from the interior of the earth. which of the following natural resources is likely to be plentiful near subduction zones where volcanic activity has occurred in the past?