Quais significados os valores de importação e exportação de El Salvador com os EUA demonstram?

Based on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m? question 2 options: 500 m 600 m 400 m 750 m

How would i answer this for an exam?

Crisis in rivalries between the serbs, croatians and muslims has been going on for centuries and only intensified during the 1990s when non-communist rulers were elected