What exists when 2 places have a comparative advantage in what the other place wants?

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 anatomical feature would you expect to find in the fossil remains of a nocturnal species?

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.