Which country accounts for more than half of the western coastline of south america?

Find the slope of the line (6,4) and (3,2)

What evidence supports geological processes changing the surface of the earth? cutting down forests creates a decrease of habitats. tectonic plates uplift the rocky crust of earth to form mountains. competition in ecosystems creates a decrease in diversity. pollution runoff contaminates a lake.

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