Why was silk such a valuble product

Below :P

Explanation: Silk is so valuable and or expensive because of the quality of it. Silk has been used to make multiple fabrics including clothing, curtains, sheets, (etc.) You may have seen it used in stuffed animals or halloween costumes. Sometimes it's called polyester. A well known and used fabric. And just like cashmere, it's expensive. Really, expensive. The total cost for a full yard is about 8$ to 80$. It can differ on the amount. So uh. . .

Yeah! I hope that helped! Thx!

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interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)

the answer is a, salt plain