What is the value of d? I'm having a hard time with this one.

How can studying economics us make better choices about how to use scare resources

What factors of japan’s geography make it necessary for it to import so many goods?

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.