Warm air rises at the equator and cold air sinks at the poles creating a) tornadoes. b) hurricanes. c) convection currents. d) the coriolis effect.

C, convention currents

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the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.