When farmers along the Nile figured out a way to provide water year- round to their corps, they were creating
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Which of the following countries has declared itself nuclear free

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.

What are economic benefits of building dams