Question 3 the pdo operates on a longer time scale than enso question 4

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.

¿cual es mas alta en baja california,la migracion o la inmigracion?

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.