How does Jurgis react to the tour of Durham's meatpacking plant in the novel The Jungle

The coco river is a natural border between nicaragua and which other country

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

Why is terracing used in southeast asian agriculture?