Answer:
The Main characteristic is the ability to grow their own food
Explanation:
Other characteristics include, less reliance on hunter-gatherer life, more permeant or semi permeant settlements or sedentary settlements and birth of agriculture as a lifestyle.
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Ritual. ...
Explanations. ...
Tradition. ...
Grace. ...
Mystery.
I don't think that there is an antonym for drift wood, yet there is a lot of synonyms.