What problems affect the quality of eastern europe's soil? landfills hazardous waste agricultural runoff eutrophication greenhouse gases irrigation

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.

All of the following occurred due to the invention of the railroad except

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.