Answer: it’s A.true
Explanation: Trophic cascade, an ecological phenomenon triggered by the addition or removal of top predators and involving reciprocal changes in the relative populations of predator and prey through a food chain, which often results in dramatic changes in ecosystem structure and nutrient cycling.
D. Introduce the bull again later I hope this helps!
Explanation:
Appalachia (/ˌæpəˈleɪtʃə, -leɪʃə, -lætʃə/) is a cultural region in the Eastern United States that stretches from the Southern Tier of New York State to northern Alabama and Georgia.[1] While the Appalachian Mountains stretch from Belle Isle in Canada to Cheaha Mountain in Alabama, the cultural region of Appalachia typically refers only to the central and southern portions of the range, from the Blue Ridge Mountains of Virginia, southwesterly to the Great Smoky Mountains. As of the 2010 United States Census, the region was home to approximately 25 million people.[2]
the answer is option c more water was used to produce electricity than to grow crops
