Which language is the most common for worldwide trade and business?

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 is most likely the effect of unrestricted hunting of gray wolves on the food web of the region

What are the percentages of the large near earth asteroids that we have found so far?