1. Isa sa mga nag-alsa upang wakasan ang pagmamalabis sa polo

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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.

Which of teh following would explain the importance of the trans-siberian railroad to russia's economy? (schoology test)

Where the main factor that enabled the growth of cities and civilizations was the existence of