1) because of their design, the amounts of water and free oxygen (o) in modern landfills are kept to a minimum. explain how the lack of water and oxygen affects the breakdown of waste within a landfill.

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.