What is the largest and most important river system in south america?
a. the amazonb. the orinococ. the rio granded. the rio de la plata

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.

How does the bare soil surface type affect the amount of runoff

The process by which liquid water changes into water vapour is called what ?