The greatest mountains in South America are the ANDES, AMAZON ,SIERRA NEVADAS

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?

Which two nations are doing the most to combat their environmental issues?

The creation of the european union has had all of the following effects except