How are water systems and important to the canadian economy

Most of earths fresh surface water is found in

Which of the following best describes brazil's economy from 1650-1880? a. it gradually shifted to manufacturing as the industrial revolution progressed. b. it was based on mining. c. it was based on plantation agriculture, where slaves served as a labor force. d. it was based on small, family-owned farms.

Major river of southeast asia flowing through laos thailand vietnam and cambodia