What does the term "permaculture" describe? Choose the correct answer from the alternatives below.

  1. Permaculture describes the lifestyle of the Nences, an ethnic group in Russia. Their territory lies in the north of Russia, where most of the ground is frozen during the whole year (permafrost soil).

  2. Permaculture derives from the words "permanent" and "agriculture" and describes a sustainable lifestyle.

  3. Permaculture is the name of a street art movement in Buenos Aires whose members embellish cars with felt pens (permanent markers).