Summarize the third NASA spinoff technology

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

Answer this asap. why did the americans go to china? a. trading b. exploration c. land d. live stock

Following lenin’s death, who took control of the soviet union