Why do some europeans view immigrants as a threat? they create negative population growth. they dilute european culture. they increase the threat of terrorism. they move to rural areas. they remodel cities. they take jobs from "natives."

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?

The separation of northern ireland from the republic of ireland is an example of

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.