The annual peak discharge data for the Des Moines River in Ohio is available for the last 124 years. The largest flood on this river record occurred in 1993. The recurrence interval of that flood is years. Additionally, there is a % chance that flood of this magnitude can occur in the year 2020.

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel