the greatest dam in the world\n1 hoover dam is a massive concrete dam on the colorado river, sitting at the…

the greatest dam in the world\n1 hoover dam is a massive concrete dam on the colorado river, sitting at the border of arizona and nevada. before the building of hoover dam, the colorado river was dangerous and unreliable. melting snow in the mountains caused damaging floods during the late spring and early summer. unpredictable flash floods could occur in any season. but by midsummer, the rivers flow was barely enough to supply the farms in southern california and arizona that depended on it.\n2 in 1905, the colorado river flooded what had been rich, irrigated farmland in the imperial valley in southern california. it caused enormous damage\nhow do the fourth and seventh paragraphs work together?\nthey show conflicting perspectives and then come to a conclusion.\nthey introduce goals and then the outcomes of those goals.\nthey explain a theory and then use numbers to support it.\nthey introduce goals and then indicate directions for future growth.
Answer
Brief Explanations:
The text likely first presents goals related to controlling the Colorado River (e.g., preventing floods and ensuring water - supply), and then the outcomes of building the Hoover Dam which are related to those goals. There are no conflicting perspectives, no theory with numbers, and no indication of future growth directions.
Answer:
They introduce goals and then the outcomes of those goals.