What is the importance of dust, volcanic ash, & salt in the atmosphere

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 the mostly tropical region in asia

In recent times, what parts of texas are most likely to gain to representatives based on redistricting in recent years