pegusus123456 posted... To the first point, bending is a genetic thing. To continue the line, Aang just has to...get busy.
As to the latter two, these storylines are continued in a comic book series, though I've never read it.
i think they can learn from animals too
im pretty sure the moles taugh earthbending so there probably others for each element
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There is no sound, no voice, no cry in all the world that can be heard... until someone listens.