Ocean currents are located at the ocean surface and in deep water. They can move water horizontally and vertically locally and globally. The ocean has an interconnected current, or circulation system. Of the following forces which one does NOT power the ocean's current system?
A) The Gulf Stream
B) Earth's rotation
C) The Aurora Borealis
D) water density differences

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What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.