Choose the correct answers from the drop-down menus to complete the sentences. The Rocky Mountains are located in the United States. The Sierra Nevada is located mostly in . The Appalachian Mountains are home to important resources. They are made up of thousands of small volcanoes.

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.