Which of the following eventually resulted in niagara falls’ love canal neighborhood being declared a federal emergency in 1978? a. oil drilling in the area had destroyed its ecosystem. b. a neighborhood there had been built over a toxic dump. c. a large amount of iron, zinc, and lead mining had poisoned the water supply. d. there had been an accident at a nearby nuclear power plant.

Which statement describes why the us forest service is important a-it protects ecosystems, supervises public access of lands, and manages wilderness areas. b-it supervises public access of lands, manages wilderness areas, and enforces federal wildlife laws. c- it manages wilderness areas, enforces federal wildlife laws, and foreign governments with international conservation efforts. d- it enforces federal wildlife laws, foreign governments with international conservation efforts, and protects ecosystems.

The yellow river is also known as the huang he river? true or false

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.