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They interract with one another when they're bartering goods.
Hunter/gatherers usually contribute a lot of wild animals and plants from the forest, sedentary farmers usually contribute a more domesticated form of plants products, while the pastoralists usually contribute sheep fur and various forms of dairy products.
Answer:
Their parents might not think their child is capable of doing such things, and the reason why might also be because they are "too busy".
The parents might also have drug problems of their own
