which statement best explains the importance of the yangzi river to the ancient Chinese civilization

What does a movement along the demand curve show

Which statement best explains distribution of natural resources? people tend to settle in locations that have the resources they need for survival. some countries have resources that others lack, so trade between countries becomes vital. fossil fuels come from areas that have mountains and other areas that manufacture synthetic gas. areas with natural resources provide a higher standard of living and better quality of life.

Which statement best describes how chemical equations demonstrate conservation of mass?