How might a bird interact with each of the four spheres?

What is most likely to cause someone to fall overboard?

Which of teh following would explain the importance of the trans-siberian railroad to russia's economy? (schoology test)

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