What are the two biggest Mexican industries outside of factories? a. mining and agriculture
b. agriculture and mining
c. tourism and mining
d. mining and tourism

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?