What does it mean to be a patrilineal descent group?

What are three uses of the yangtze river by the people living among the river

How the environment of the northeast region affects the lifestyle of the people that live there

Because they are located downstream from turkey on the tigris and euphrates rivers, these two nations are anticipating a reduction in water supply, as a result of 22 dams being built by the southeastern anatolia project. the two nations are a) iraq and iran. b) iraq and syria. c) iran and syria. d) saudi arabia and yemen.