WHICH IS A VAILD ANSWER 1. Mark Twain was the greatest American author of the 19th century.
2. Twain’s marriage caused his financial failure.
3. Game did not make Twain’s life a happy one
4. Mark Twain’s later works were never published
HEL M I DONT KNOW AND IM DOING A TEST WHO IS EVEN MARK TWAIN?

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