Irving berlin is the composer (words of music) of "alexander's ragtime band" (true or false)

Name the following example of african art and the civilization is it from. how was this figure made? this figure is entitled, horseman. it is an example of jenne art. it was formed by rolls of clay, then engraved with details.

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The energy applied to cause vibration can be in the form of air pressure a stick, bow, or electricity. true or fasle