The men of Mesopotamia learned:

writing
clothing design
to trade
to use metal
map making
to live in villages
to build roadways

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?