1. fishing is an important natural resource to this country, the only country in south america with coastlines on both the pacific ocean and the caribbean sea. a .argentina b. brazil c. ecuador d. colombia 2. chile’s most important natural resource cannot be found in any greater quantity anywhere else in the world. what is it? a. coffee. b. copper. c. fish. d. grapes 3. which of the following is considered the most important and yet most threatened ecosystem on the planet? a. coastal wetlands b. rainforests c. coastal ranges d. argentinian pampas