1)for how many countries is mining has a significant resource. 2) which resource is mined in the fewest countries

3) which resource is minded in greatest number of countries

Which of the following statements best explains the relationship between medicines and concerns about the shrinking of the amazon rainforest?

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle

Which of the following is the main purpose of using an anchored network of booms which funnel debris to a collection area?